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Forecasting By Vector Autoregression Models
CHAPTER NINE
FORECASTING BY VECTOR AUTOREGRESSION MODELS
9.1 Vector Autoregressive (VAR) Models
Vector Autoregression (VAR) models were introduced by the macro– econometrician Christopher
Sims (1980) to model the joint dynamics and causal relations among a set of macroeconomic
variables. The vector autoregression (VAR) is commonly used for forecasting systems of interrelated
time series and for analyzing the dynamic impact of random disturbances on the system of variables.
The VAR approach sidesteps the need for structural modeling by treating every endogenous variable
in the system as a function of the lagged values of all of the endogenous variables in the system.
The vector autoregression (VAR) model is one of the most successful, flexible, and easy to use
models for the analysis of multivariate time series. It is a natural extension of the univariate
autoregressive model to dynamic multivariate time series. The VAR model has proven to be
especially useful for describing the dynamic behavior of economic and financial time series and for
forecasting. It often provides superior forecasts to those from univariate time series models and
elaborate theory–based simultaneous equations models. Forecasts from VAR models are quite
flexible because they can be made conditional on the potential future paths of specified variables in
the model.
In addition to data description and forecasting, the VAR model is also used for structural inference
and policy analysis. In structural
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Conservation Of Linear Momentum For A Jet Generates On...
Conservation of Linear Momentum
Name
Institution
Table of contents
Objective 2
Results and Graphs 2
Discussion 3
Summary and Conclusion 3
References 4
Data Sheet 4
Sample Calculations 6
Conservation of Linear Momentum
Objective
The primary goal of this experiment was to study the force that a jet generates on hemispherical,
flat, and conical surfaces. Further, the experiment exposed students to the concept of linear
momentum conservation by observing forces that a jet of water exerts on objects with different
shapes.
Results and Graphs Figure 1: Forces Acting on the x and y axis
As can be seen, the forces that act on the x–direction are caused by pressure at sections 1 and 2.
Similarly, an expression that relates the conservation of linear momentum in the Y– direction can be
developed.
Discussion
Although the experiment was successful, some errors occurred during the experiment that made
most values to deviate from the expected ones. Generally, both fixed and random errors were
observed (Mitchell & Worledge, 2015). The random errors, in this case, resulted into statistical
fluctuations in the measured data because of the limitations in precision measurement. Additionally,
the random errors occurred due to inability to take the same measurements as the expected ones.
Furthermore, fixed errors were responsible for reduced inaccuracies in the values obtained (Valiani
& Caleffi, 2011). However, the best way to minimize random errors is by averaging
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Mapinfo Case Analysis
CE1.13 I used the Raster image option in Mapinfo for generating detailed topographical features
and calculating the geographical distances and areas. I developed a two stage process for the
creation of raster image. First, I initialized the vector coordinate values of the new location site
obtained from the GPS receiver from the database Mapinfo software. Second step was the
integration of the scanned aerial photographs obtained from Google Earth and paper map of the site
location provided by the surveying agency, Survey of India. I added the coordinate values manually
in the MapInfo table tool box, as there were some areas where GPS signal was unavailable.
CE1.14 I noticed that the spatial data of the new BTS site data were provided by ... Show more
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I documented all measurements and findings based on the land survey and submitted reports to
Team leader for further verification of the report.
CE1.17 I was in–charge for submitting pre–deployment survey report for installation of the new
BTS tower. I investigated the terrain feature obtained from the Mapinfo software. The information
obtained from Mapinfo was used as the basis for the identifying the ideal location for the cell site.
CE1.18 I conducted a wireless survey by using a wireless adapter for detecting the existing active
access points and measuring the signal strength in new location site. Since pre–deployment survey
was initial process for coverage site survey, I decided temporary access point as the reference point
and applied trial and error method to identify different AP located on the new site within the limited
boundary.
CE1.19 I used a spectrum analyzer with a band of 2.4 GHz which was connected to the PC for the
survey to detect the RF activity in the limited location and was used to calculate the signal as well as
the noise intensity in the region. I measured the attenuation factor and signal attenuation with
respect to distance. For the accuracy of these factors, I used unlicensed 2.4 and 5 GHz bands and I
noted the variations in the power as I moved along from the reference point; I noted and referred this
variation was due to the channel interference
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Stalin Powerless Quotes
Crispin, by Avi, takes place during the Middle Ages–the Medieval era. Living during this period also
meant social class division and intense Christianity. This causes Crispin's character to become
powerless, cautious and worrisome, and religious. The Middle Ages was a time of hierarchy, so
unless you were born into a family of nobles, you were a powerless peasant. In the novel, Crispin is
a serf, the lowest rank of peasants, and suffers from many hardships because of it. With being serf,
your rights are stripped away from you, leaving you completely powerless. Masters are allowed to
anything they wish and if they disliked you, they were able to make false accusations against you.
Crispin was a victim of this when Father Quinel tells him, "Aycliffe claims you stole money from ...
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However, despite the uncommitted crime, Crispin has no control over the issue since to Aycliffe,
Crispin is nothing more than an object–causing Crispin to be powerless. In addition to being
powerless, being serf has also caused Crispin to become very cautious of others. He's often treated
as an object, and doesn't receive much respect. He, "...had few friends and none I completely trusted.
As 'Asta's son', I was oft the butt of jests, jibes, and relentless hounding" (Avi 13). Crispin and his
mother are both serfs, and are looked down upon. Many people dislike Crispin mainly because of
the relation he has to his mother. As a result, many people often taunt Crispin and alienate him–
causing him to have difficulty in trusting people, and to be very cautious. For instance, Father
Quinel instructed Crispin to meet him at Goodwife Peregrine's house. However, while on his way,
Cerdic comes and tells him that there was a change in plans, and that Father could no longer meet
him. This left Crispin at disbelief and was, "not certain I should trust the boy, but unsure what to do,
I stood where I was" (Avi
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Report For The Hanover Design Company
Report for The Hanover Design Company
By Gheorghe Rusanda
Tuesday, September 23, 2016
Contents
Page 1  Contents
Page 2  Introduction
Page 3  Hardware
Page 7  Software
Page 9  Comparisons
Page 10  References
Page 11  The Basics of Computer Graphics
Page 14  Impact of Mobile Oriented Graphics
Introduction
I am working as a trainee for The Hanover Design Company based in Westberry. They are a design
consultancy firm that has just started. The company was awarded a few contracts to design the
layout and marketing materials for 5 small organisations. As part of a team I have been asked to
design the layout and marketing materials for one of the small business.
In the following report I will state the necessary hardware, software and other devices that are
required to produce graphics for our clients and why they are needed.
Hardware required
Internal Devices
Graphics/Video Card
A Graphics card is needed to render the graphics that will be created. Differed graphics Cards of
different prices can perform according to their price. Generally, the higher the price the better the
performance.
RAM
RAM is used to when running a program. An image editing program like Adobe Photoshop requires
RAM to perform the various task it needs when using it. Usually is recommended to have 8GB of
RAM for heavy use of graphic making programs.
Processor (CPU)
For the design of graphics a CPU is needed in order to execute the tasked that the editing
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Measuring The Load Pattern Of Measuring A Minimum Of Two...
In some cases, lateral force shapes result to good approximation of demand displacements.
Nevertheless, there has not been found any constant loading for exact approximation of local
mechanisms and plastic hinges. Earthquake codes have made it mandatory to use a minimum of two
lateral load patterns in nonlinear static procedure. These two load patterns are chosen to cover
resulting forces in actual dynamic response of the structure. There are two load patterns which are
used mostly in usual studies: uniform and modal load pattern. When using uniform load pattern,
called also constant acceleration pattern, lateral forces applied to the structure are proportional to the
mass of the building stories. This load pattern emphasizes on bottom floors demands more than top
floor demands. It also increases the importance of shear in stories against overturning moment while
modal load pattern emphasizes overturning moment and story demands. The FEMA356 code allows
using comparative load pattern instead of constant load pattern. In this method the load pattern
varies by plastic hinges as the displacements in the structure increase. Obviously, none of these
shapes of constant loading can perform redistribution of inertia forces which occur with the first
local mechanism and change of dynamic properties of the structure. Therefore, it is interesting to
find a load shape which is closer to the variation of inertia forces distribution and gives a better
approximation of the behavior of
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Unit 30: Digital Graphics P1, M1 Essay examples
The Role of Components within a given computer system in the Production and Manipulation of
Graphics
Introduction: In this assignment, I will explain the role of hardware and software components within
a computer system. Furthermore, I will explain how they relate to digital graphics.I will also
recommend suitable components for Cambridge Industrial Design. (P1)
I will then compare the limitations of different software packages used in graphics work. (M1)
Digital graphics are in their own way an art form, digitally constructed to create phenomenal
images. However, you need to have some sort of artistic ability combined with a suitable computer
system before you can design the perfect graphic.
Graphics Card
Starting the ... Show more content on Helpwriting.net ...
For example, a word document is saved to a folder within a folder within a hard drive. Other files
such as programs are saved onto the hard drive. Modern day HDDs are cheap and effective as the
cost is low and the memory capacity can be of mass size, however, they are slow which makes
HDDs a worthy competitor for SSDs. SSDs are flash memory drives, capable is holding programs
and loading them faster than HDDs, however, small in memory capacity and expensive.
Furthermore, you can combine the two. You can use the Solid state drive to save and quickly load
programmes such as adobe Photoshop and use the hard disk driveto store images, videos, music and
documents. I would recommend this powerful combination to anyone searching for fast
performance and large memory capacities.
Processors (CPU)
The processor (otherwise known as CPU) is the very soul and performance core of the computer
system; it is what allows the operating system and other software applications to–run. Every
program demands dedication from the processor to decode commands that are then actionedinside
the CPU to make them work.When a program is running, the CPU has to make every command
work consistently one after the other. However, modern processors have the power to process
commands side by side. This means that the quicker the commands are executed, the quicker the
program responds to the user. Central Processing Units (CPUs) play an important role when it
comes to maintaining
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Implementation Of A New Fast Direct Torque Control...
Implementation of a new fast direct torque control algorithm for induction motor drive. Neha D.Bais
Mtech IPS in Electrical Engineering G.H.Raisoni college of Engineering ,Nagpur Email–
nehabais84@gmail.com J.G.Chaudhari Asst Prof Electrical Engineering G.H Raisoni college of
Engineering, Nagpur. Email– jagdish.choudhari@raisoni.net Abstract– The abstract DTC system
used for controlling of Induction motor gives robust as well as gives a high dynamic
performance.However it has two major drawbacks .The first one is the variation of switching
frequency in accordance with the amplitude of the hysteresis bands and the motor operating speed
,also the selection of voltage vectors is not optimized inside the flux hysteresis band to ... Show
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It is the simplest technique ,with good dynamic performance , robust and gives large benefits. It is
recognized as an alternative method to field oriented control (FOC). Industrial drives with DTC are
present in the market today.DTC is proposed to control electromagnetic torque and stator flux by
directly modifying the stator voltage in accordance with the torque and flux errors DTC has added
advantages over FOC absence of mechanical transducer, no requirement of co–ordinate
transformation ,and a very simple control scheme with less computational time Though DTC is
simple and have fast transient response, it generates high level common mode voltage variations. To
avoid the problems of common mode voltage variations a new DTC algorithm was developed, in
which, only odd or only even voltage vectors will be applied in each sector in which stator flux lies
without using any zero voltage vectors. However, this method gave torque ambiguity. To overcome
the torque ambiguity, modified DTC algorithm has been proposed The variable switching technique
is a part of the conventional DTC technique . It was firstly introduced by Takahashi and Noguchi
around 1980's this method is the wide band of the switching frequency of the inverter even when the
flux and torque references are kept constant. The conventional DTC scheme has some inherent
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Mathematics Has Become A Part Of Our Life
ABSTRACT: Mathematics has become part of our life. Graph Theory is a branch of mathematics
that plays a major role in every field of human being. In this paper we define different matrices
associated with the Graphs along with some properties of a graph. And Rank of rank of an incidence
matrix. Key Words: Adjacency matrix, Incidence matrix, Degree matrix, Circuit matrix and Line
graph. INTRODUCTION: Incidence Matrix is one of methods of representing the graph. Let G =
(V,E) be graph whose vertices and edges are labeled as v_1,v_2,........v_n and e_1,e_2,........e_m. An
incidence matrix B associated with graph G of order n×m is defined by b_ij={█(1 if v_i is incident
with e_j@0 Otherwise )┤ [4] The graph and its incidence matrix are shown as follows: The
incidence matrix contains only two elements 0 and 1. Such a matrix is called a binary matrix or (0 1)
– matrix. For a given any geometric representation of a graph without self–loops we can easily write
its corresponding incidence matrix. On the other hand if we were given an incidence matrix B we
can construct a graph without any difficulty. The graph and its incidence matrix are simply two
alternative ways of representing the same graph. [1] PROPERTIES: Some observations of incidence
matrix and it's graph. Since every edge is incident on exactly two
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Analysis Of Corecivic's Politics And The English Language
At first glance, CoreCivic strictly adheres to an ideology of acceptance and second chances, and the
discourse of their Code of Conduct strongly reflects that. However, on deeper analysis, certain
anomalies present themselves, and CoreCivic's apparent ideals begin to shift. Luckily, many of these
irregularities can be easily pointed out by applying Orwell's criteria for bad writing from "Politics
and the English Language", such as misuse or overuse of idioms and vague use of language. While
CoreCivic's statements paint a remarkably friendly picture, context paints another. Firstly, nearly
every statement made by CoreCivic is unnaturally saturated by honorific words and phrases,
oftentimes with as many as four in a single sentence. In conjunction ... Show more content on
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Here are some examples, one pulled from each sentence: "A strong ethical culture is the cornerstone
... special emphasis on fostering an ethical environment ... company with such a strong commitment
to doing the right things ... responsibility to help government better the public good ... fulfill this
mission with integrity ... when we work with integrity ... built on a foundation of ethical conduct"
(The CoreCivic Code of Ethics). This kind of language may be great for public image and investor
trust, but through the lens of Orwell's analysis of modern language, it becomes far more
disingenuous. CoreCivic may well have turned a new leaf, and truly meant every word of its
statements. But in the light of context, it becomes far more likely that CoreCivic's friendly aesthetic
is nothing but a desperate response to a PR
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What Are The Advantages And Disadvantages Of A Bitmap Vs....
In the presently highly digital world we live in, there are essentially two types of graphic "files"
used, the bitmap and the vector graphics. Both have an overall similar principal but differ in various
sub–arrays, which bring along each of their own advantages and disadvantages. To begin with, the
word bitmap originated in the year 1973, and came to be by adding the words bit + map which
literally means a map of bits, which perfectly describes the nature of a bitmap graphic. A bitmap is
composed of thousands of pixels, each of which has it's own fixed position and can be individually
edited, which forms an overall bitmap graphic/image. Bitmaps are largely the standard for Internet
graphics but however contain disadvantages. Bitmaps are largely ... Show more content on
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When written, the width measurement is always written first. Aspect ratios all have to deal with the
amount of empty space you are willing to have surrounding the "main subject". Awareness of the
different aspect ratios provided by the device in hand may lead to better compositions in the image.
The difficulties with aspect ratio are that when there is an inconsistency, one must either crop the
image or compromise the size of the image. Furthermore, when the aspect ratio of a particular image
is not compatible with the screen, upon which it's displayed, black stripes are used to adjust the
difference without compromising the
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The Usefulness Of Viral Vectors
The Usefulness of Viral Vectors in Treating Dravet Syndrome
Voltage–gated sodium channels initiate the development action potentials in neurons; mutations of
genes encoding these channels are responsible for genetic epilepsy syndromes with varying degrees
of severity1. Dravet syndrome, or severe myoclonic epilepsy of infancy (SMEI), is a complex and
severe form of childhood epilepsy, caused by a nonsense mutation in the sodium voltage–gated
channel alpha subunit 1 (SCN1a) gene. Severe loss of function mutation in Nav1.1 causes SMEI,
which involves intractable epilepsy, ataxia, and cognitive impairment 1. It is important to study this
disease because of its early mortality in children and because of its high resistance to drug therapy 2.
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Adeno–associated viral vectors (AAV):
Adeno–associated viral vectors are non–enveloped single stranded DNA viruses used in treating
diseases of the central nervous system 3. AAV vectors have been widely used in clinical trials to
deliver therapeutic genes to mutated ones, and are efficient and safe in vivo application3. However
one major drawback is the limited packaging capacity for genes with larger sizes 3. Fortunately, this
can be overcome with the treatment of the dystrophin gene (DMD), which encodes the cohesive
protein dystrophin that supports the cytoskeleton of a cell3. There are two methods can be used with
AAV vectors to decrease the duration of epilepsy: inducing somatostatin into AAV vectors and direct
injection of glial targeting AAV vectors.
Method 1:
Somatostatin (SST) is a neuromodulator known to have diverse functions in sleep and motor activity
and it plays a putative anticonvulsant role, such as in maintaining hippocampal homeostasis4. Some
studies have suggested that AAV vector–mediated expression of SST suppresses hippocampus
related seizure development in rats4. Viral vector gene therapy using SST as an anti–seizure–related
neuropeptide in a kindling model of epilepsy was implemented, where over successive electrical
stimulation of the same intensity, seizures evolve from partial to generalized states 4. The duration
of seizures was lower for the vector infused with SST (pAAV–CBa–SST), than compared to the
vector that was
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Ratan Tata: Leading the Tata Group Into the 21st Century...
Ratan Tata: Leading the Tata Group into the 21st Century
1. The Tata Group has been transformed from a risk–averse, slow–moving giant into a more
dynamic and aggressive conglomerate. How much of such a transformation can be attributed to one
individual? Discuss the role of the leader in initiating and managing change.
Answer
The Tata Group transformation can be greatly attributed to the vision and execution of Ratan Tata.
He was greatly responsible for the tremendous transformation because he was able to take his vision
for the group and transformed it into a reality. By enforcing a mandatory retirement age policy
which removed a lot of top management, who were challenging the core functions of the group and
hindering growth, Ratan ... Show more content on Helpwriting.net ...
2. The Tata Group had a presence in a wide range of businesses wince its early days. Later, rattan
Tat managed to streamline the Tata Group. What advantages and disadvantages did the group gain
through the streamlining of business? Do you think, as of 2009, the Group is still present in too
many businesses?
Answer
There were a total of 84 companies in several industries under the Tata Group in the early days.
With the vision of the new leader, he realized that there was a lot of irrelevant businesses in the
group that did not contributed much to the group's profits and as a result he streamed line and exited
a lot of the industries in which the group was not doing well, in order to accomplish his vision and
goal and make the group stronger. In my opinion, this was a good move as the benefits outnumbered
the disadvantages. The stream lining made it possible for the group to manage the companies easier.
In addition, they were able to cut costs by having a smaller workforce and fewer overheads.
Importantly, they improved productivity in the group by eliminating some unnecessary ventures and
focusing more resources in certain areas, thus improving revenue. Finally, they were able to gain
profits from the sale of some companies. On the other hand however, this stream lining caused many
individuals to lose their jobs, resulting in a lot of homes having decreased incomes. There were also
a lot of
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Essay about Engineering Lab Report Sample, Master's Student
Precipitation hardening in 2024 Aluminum
Lab Report
Abstract "Age or Precipitation Hardening" effects on the 2024 Aluminum sample (Al–4%Cu) was
investigated by conducting two sets of experiments on 5 samples. In the first experiment, 4 of the
samples were artificially aged, and in the second experiment, only one of the 5 samples were
naturally aged. In conclusion, it is concluded that the hardness of the samples is directly affected by
the time and the temperature of the age hardening, so as the samples are age hardened longer and in
a higher temperature, the hardness of them increases accordingly. Description of theory Age or
Precipitation hardening is a widely used heat treatment method that is done to raise the strength
(including ... Show more content on Helpwriting.net ...
The readings are in the following table
Sample # 3 5 8 0
Time remained in the furnace(min) 30 30 30 30
Hardness (HRB) 30.40 37.02 32.41 31.08
Table 3: Hardness readings of four sample hardness test results in 10 minutes after quenching into
water
In order to perform an artificial aging on these 4 samples, they are transferred into a 190°C Furnace,
then are removed separately after 3, 10, 60, and 120 minutes; Then all quenched into water, and
their hardness tested. In addition to the above process, the hardness test of the samples # 5 and 3 are
measured after a week (table 4).
Sample # 5 3 0 8 5 3
Aging Time (min) 3 min 10min 45 min 50 min 1 Week 1 Week
Furnace Temperature(°C) 190 1 190 1 190 1 190 1 190 1 190
Hardness (HRB) 64.53 66.30 59.28 60.50 69.23 65.70
Table 4: Four samples hardness test result after artificial aging
4
Discussion of results
As seen in the Fig. 2, there is a dramatic increase in the hardness (31.66 to 65HRB) of the material
over a
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Case Study: Correctional Officer Gurrola
Correctional Officer Gurrola (CO) interviewed the appellant on October 14, 2016. The appellant
stated he is only being given 8 hours a month for visitation. The appellant stated the Southern
Hispanics are given 4 hours every second and fourth Thursday's of the month by appointment. The
appellant stated he should be given up to 12 hours a week for visitation per Title 15 Policy. The
appellant concluded the visitation schedule should be consecutive with Friday, Saturdays, and
Sundays. The appellant provided a CDCR Form 22 sent to visitation on August 12, 2016. The
CDCR Form 22 response from visitation stated the schedule was determined by the Warden and the
Administration. California Code of Regulation, Title 15 states the following: 3172.2.
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Essay On Plasma Collisionality
The relationship between plasma collisionality and intermittency has been investigated for density
and potential fluctuations in the stellarator TJ–K, as well as with Hasegawa–Wakatani simulations.
The intermittency level was determined in experiments using two methods. First, the scale separated
kurtosis analysis consisted of applying a wavelet transform to density and potential time series and
calculating the kurtosis of the wavelet coefficients at a chosen frequency scale, (–– removed HTML
––) (–– removed HTML ––) 30 (–– removed HTML ––) (–– removed HTML ––) similar to the
method of calculating the kurtosis of a high–pass filtered signal. (–– removed HTML ––) (––
removed HTML ––) 24 (–– removed HTML ––) (–– removed HTML ––) ... Show more content on
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For density fluctuations, a general trend of increasing intermittency with increasing collisionality is
observed, for both experimental data and simulated data. This trend agrees with the HW simulation
result for the Lagrangian intermittency at high collisionality. (–– removed HTML ––) (–– removed
HTML ––) 12 (–– removed HTML ––) (–– removed HTML ––) For potential fluctuations, on the
other hand, no trend in the intermittency level and collisionality is observed, and the intermittency
level remains low, indicating self–similar fluctuation statistics, in accordance with Refs. (––
removed HTML ––) 13 (–– removed HTML ––) , (–– removed HTML ––) 14 (–– removed HTML
––) , (–– removed HTML ––) 44 (–– removed HTML ––) , and (–– removed HTML ––) 45 (––
removed HTML ––) . This result suggests that potential fluctuations can be modelled using
Gaussian statistics over the parameter range investigated. (–– removed HTML ––) (–– removed
HTML ––) The observed trend in the intermittency level of density fluctuations with collisionality
and the self–similarity of potential fluctuations can be explained in the framework of the HW model.
The model describes the spatio–temporal evolution of the density, potential, and vorticity, with a
parallel coupling term influenced by the collisionality. In the HW simulations, vorticity fluctuations
have been
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A Survey Of Image Based Artistic Rendering Techniques
A survey of Image Based Artistic Rendering techniques
Introduction
Paintings have been known to capture the human imagination since the pre–historic times. A skilled
artist can evoke a range of human emotions and can portray things like appearances, playing of light
in surfaces, mood etc. on the paper. Similarly, with the invention of photography in the 19th century,
the artists got a new medium for their expressiveness and simulated artistic diversity. The field of
non–photorealistic rendering started off in the early nineties with the aim of using the power of
computer graphics and create an interface between the two fields. With the exponential rise in
computational power and the advances made in computer graphics, the field has ... Show more
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Also, researchers increasingly sought to automate the process and enhance the sophistication of
stroke placement.
The work by Haeberli[2] enabled people to transform photographs into impressionist paintings with
minimal labor. The user clicked on a photo, and the underlying system automatically placed the
virtual strokes by using the color of the source image. They also added noise to results to enhance
the impressionist effect. However, the first automatic solution was a tool proposed by Litwinowicz
[3]. This is the paper which we review first in this report.
Processing Images and Video for an Impressionist Effect
This paper aims producing impressions of the original image, i.e. images that give a sense of an
original image without reproducing it. They happen to have a "painterly feel" to them and appear as
they have been hand–painted. They produce painterly animation from video clips automatically after
the user specifies a few parameters to generate he first frame. After the user's preferences are taken
into account and he approves the first frame, the whole video segment is automatically produced
without further user intervention.
The biggest challenge in videos is to produce a temporally coherent style of animation which avoids
flicker and takes into account the movement of objects in the video. This paper was the first one to
use optical flow to compute the per–pixel movement in images and use it to generate a sequence
which is
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My Autobiography On Mathematics : I Do Not Think Am Good...
My Autobiography in Mathematics I do not think am good or bad in mathematics. I usually fight
hard in some areas, however it becomes very easy for me once I get the concept. I do struggle much
to ensure that I work out my assignments, tests and other class works. I try my best to finish my
math work accurately and am looking forward that I retain the spirit till I finish school. Once a new
topic is introduced to class, I normally struggle to understand the concept in the first days of the
teaching. This enables me to easily complete different worksheets involving that topic. The problem
arises when examination or contests come along. I abruptly found myself blank– I just forgot
everything. My big challenge was in vectors. Vectors really ... Show more content on
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Mathematics widens the mind to think critically. It is more than measuring, counting and computing.
It opens up other subjects– sciences. As far as Mathematics teaching is concerned, the major goal is
the involvement of the students in the practice of realizing mathematical ideas and framing process.
One of the encouraging worries about learning Mathematics is the point that it opens up the mind to
solve problems that require radical order rational skills. These complications and puzzles provoked
the curiosity and challenge the inventiveness of individuals. Giving problem solving into the class
improves students' skills and their ability to reason prudently, rationally and creatively. Hugar
criticizes the things we might consider about a mathematics class are processes, equations, and word
problems, of which learning them, a student has to master to solve problem. Therefore, in the last
decades there has been a move to approach the teaching of mathematics through solving of problem.
In this paper, I have written my autobiography on mathematics. Literature Review Krulik states that
a problem is situation, quantifiable or else that challenges a person or groups of people, which needs
determination, and for which the individual sees no seeming path to the solution. There are many
definitions put forward by experts. Essentially these definitions have the same meaning while the
variances lie only on the ways they formulate them. We have two definitions here;
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Chemical Burn Research Paper
The severity of a chemical burn depends on the following factors: corrosive capability of the
chemical burn, concentration of the chemical, temperature of the chemical or the solution in which it
dissolved and lastly, duration of the contact with the chemical (page 294). Also an important
dependent on the severity of the burn is by how deep the burn in question penetrates through the
skin. This is determined by the location of the burn, age of the victim, and the amount of burned
area (page 293).
Chemical burns can destroy body tissue, depending on the extent of destruction including the
severity of the burn. However, chemical burns can also cause a high risk of infection in victims. Due
to this risk of infection it is important to keep the
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Video Games Are The Most Revolutionary Form Of Art
To quote the famous game designer Santiago Sir "Games are not just art, they are the most
revolutionary form of art mankind has ever known about". Video games are a hybrid form of art that
brings together multiple forms of art. Video games are very aesthetic. They achieve this through the
use of their realistic graphics, in depth development of the story, and the emotional attachment built
overtime with the game. Video games have come a long way in the development of the graphics
system. To really understand the substantial innovations that have been made, one needs to
understand where the original graphics started. The original video games used vector based
graphics, which uses geometric primitives to produce an image. This was common for arcade
games. These vector based graphics were mainly two dimensional and had little detail. For the time
that these games released it was an amazing feat of art that they could use math to produce these
images and have a reaction through the use of a joystick and buttons. Video games of the modern
time we live in have blown this feat of the past out of the water. The common form of producing
graphics in a video game now uses resolution based bitmap graphics to develop images. These
image can be three or two dimensional and have detail down to a bead of sweat rolling down your
cheek or the swift movement of the grass and landscape. Skyrim is a modern day video game that
has achieved this feat of art. "Skyrim 's new game engine brings to
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Vector
VECTOR FUNCTIONS
VECTOR FUNCTIONS
Motion in Space: Velocity and Acceleration
In this section, we will learn about:
The motion of an object using tangent and normal vectors.
MOTION IN SPACE: VELOCITY AND ACCELERATION
Here, we show how the ideas of tangent and normal vectors and curvature can be
used in physics to study:
 The motion of an object, including its velocity and acceleration, along a space curve.
VELOCITY AND ACCELERATION
In particular, we follow in the footsteps of
Newton by using these methods to derive
Kepler's First Law of planetary motion.
VELOCITY
Suppose a particle moves through space so that its position vector at
time t is r(t).
VELOCITY
Vector 1
Notice from the figure ... Show more content on Helpwriting.net ...
 So, C=i–j+ k
VELOCITY & ACCELERATION
Example 3
It follows: v(t) = 2t2 i + 3t2 j + t k + i – j + k
= (2t2 + 1) i + (3t2 – 1) j + (t + 1) k
VELOCITY & ACCELERATION
Example 3
Since v(t) = r'(t), we have: r(t) = ∫ v(t) dt
= ∫ [(2t2 + 1) i + (3t2 – 1) j + (t + 1) k] dt = (⅔t3 + t) i + (t3 – t) j + (½t2 + t) k + D
VELOCITY & ACCELERATION
Example 3
Putting t = 0, we find that D = r(0) = i.
So, the position at time t is given by: r(t) = (⅔t3 + t + 1) i + (t3 – t) j + (½t2 + t) k
VELOCITY & ACCELERATION
The expression for r(t) that we obtained
in Example 3 was used to plot the path of the particle here for 0 ≤ t ≤ 3.
VELOCITY & ACCELERATION
In general, vector integrals allow us to recover:
 Velocity, when acceleration is known
v(t )
v(t0 )
t t0
a(u ) du
 Position, when velocity is known
r (t ) r (t0 )
t t0
v(u ) du
VELOCITY & ACCELERATION
If the force that acts on a particle is known, then the acceleration can be found from
Newton's Second Law of Motion.
VELOCITY & ACCELERATION
The vector version of this law states that if,
at any time t, a force F(t) acts on an object of mass m producing an acceleration a(t),
then
F(t) = ma(t)
VELOCITY & ACCELERATION
Example 4
An object with mass m that moves in
a circular path with
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Linear Algebra Toolbox
ICSSP–2014
LINEAR ALGEBRA TOOLBOX FOR GNU RADIO
Kokila M, KaviNandhini M, Vishnu R, Gandhiraj R*, Soman K P
Center for Excllence in Computational Engineering and Networking,
*Department of Electronics and Communication Engineering, Amrita School of Engineering,
Amrita Vishwa Vidyapeetham ,Coimbatore,Tamil Nadu–641112
Email.id:kokilamani024@gmail.com,mkavinandhini@gmail.com
A B S T R A C T
The goal of this paper is to bring Linear Algebra and Digital Signal Processing together for
efficiently solving the applied signal processing problems. Linear Algebra tool box is created to
visualize the signal by just clicking and dragging the concerned module. In MATLAB and other
platforms, tapping of the signals cannot be done and conventional code has to be written for solving
the problem. GNU Radio is a freeware software for processing signals through which tapping of
signal can be done .The module is created in GNU Radio with predefined template and the platform
used here is C++.Further, the code is glued to Python using swig. The blocks are created in order to
estimate energy, check orthogonality, compute unit normalization, find Euclidean norm of a signal
and least square fitting. The end user can visualize the signal in various plots. KEYWORDS: Linear
Algebra, GNU Radio, MATLAB.
1. Introduction
GNU Radio is a free and open source software development toolkit that provides signal processing
blocks to implement software radios. This free software toolkit for
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Leadership And The Life Cycle Of A Group . A Group Is A
Leadership and the Life Cycle of a Group
A group is a living thing, developing over time and adapting to the environment and expectations
imposed upon it as it grows. When observed carefully, a pattern of distinct phases emerge in this
growth process. It is important to recognize and take advantage of these various stages of
development in order to maximize group effectiveness and efficiency. There are several different
models for small group development, but Tuckman 's model is "probably the most famous
sequential–stage theory" (Johnson & Johnson, 2016, p.27). This paper will discuss the five stages of
group development according to Tuckman 's model as well as some practical leadership guidelines
that will help a group remain effective ... Show more content on Helpwriting.net ...
Of great value at this stage is encouragement and patience. The reason for the conflict is generally
insecurity (Bonebright, 2010, p. 114), so providing a strong support system an reassurance can help
move a group to the next phase.
As members of the group begin to feel safe and secure, the conflict will settle and the group will
develop a bond and unified goals. Labeled a period of norming, it is "characterized by close
relationships and cohesiveness" (Group Development, 2003). In fact, this stage is so characterized
by relationship that it could almost be viewed as a honeymoon phase. Group members will
frequently set aside differences and unity becomes a priority. It is important at this stage to
emphasize honesty and creativity because the group will likely be trying so hard to be amenable that
some members may hold back. Others will be ready to open up given their newfound sense of
security within the group. This is also a critical time for the group because it typically delineates a
time to commit (Johnson & Johnson, 2016). If a group reaches this stage and not all members are on
board, it may hinder progress.
Once a group has developed cohesiveness, it will truly begin to produce. This phase of effectiveness
is titled performing according to Tuckman 's model. At this stage, the group is a "problem–solving
instrument", capable of working through obstacles and accomplishing goals (Bonebright, 2010, p.
114). Is it not uncommon for groups
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The Effects Of Climate Change On Development And The...
Human survival is dependent on myriad things, the first of which that come to mind are food, water
and shelter. As the world has developed, the abundance of each of these has increased dramatically,
especially in the developed world. However, along with this growing population and resource web
has come a growing understanding of disease, and its impacts on the more–developed and less–
developed parts of the world. Another effect of growing population is the concerning truth of
climate change: changes in climate not only alter the environment, but can alter the range and
distribution of diseases. Moreover, human population leads inherently to social networks and
systems that can have significant impact on development and the spread of disease. These impacts
can manifest as civil strife, or simply the unavoidable reality of proximity within a community. Lea
Berrang–Ford, an Associate Professor at McGill University, has conducted numerous studies over
the past approximately fifteen years that blend together the complex aspects of disease spread in
general, choosing to focus mostly on African trypanosomiasis or "sleeping sickness", and how
climatic and social pressures affect the spread of disease. Her work also extends beyond her own
research, into her classroom, and through her students, out into the world. Berrang–Ford earned her
first degree, a BS in Environmental Geography, from the University of Guleph in 2000. She then
went on to earn an MS in Environmental Change and
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Path Integration for Navigation
Path Integration Forms of spatial sensitivity among organisms are exceedingly wide–ranging.
Spatial sensitivity among lower animals has been studied in its role in navigation. Many of these
animals exhibit extraordinary navigational capacities. Amoebae have light sensitivities that lead
them to liquid areas that serve their chemical needs. Crickets locate mates using sound. Path
integration, or dead reckoning, is one of the four types of navigation. I begin by distinguishing the
differences among the four types of navigation. I continue by explaining in more detail the second
type of navigation: path integration. Next I explain why one might think that certain types of path
integration are not representational. Last I show why path integration doesn't depend on perceptual
constancies. Path integration is one of the four types of navigation. The other three are beaconing,
landmark use, and map use. Organism's can travel toward or away from a source of stimulation.
Beaconing, or homing, is an organism's movement toward a target. That movement is in response to
a stimulation that derives from the target's location. Beaconing allows organisms to move in
directions that are favorable to them. For example, salmon travel in the ocean for years. After a
couple years, they return to their home streams in straight a line. This is a result of them responding
to certain hormonal changes. Many organisms use another type of navigation called landmark use.
Landmark use
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Equation: A Comparative Analysis: Definition Of...
CHAPTER 1
INTRODUCTION
Definition of Differential Equation
A differential equation is an equation which consists of derivatives or differentials of one or more
dependent variables with respect to one or more independent variables (Abell & Braselton, 1996).
Differential equation generally can be classified into two, which are ordinary differential equation
and partial differential equation. If a differential equation consists of ordinary derivation of one
dependent variable with respect to only one independent variable, it is known as ordinary
differential equation. Meanwhile, if a differential equation consists of partial derivative of one or
more dependent variables with respect to more than one independent variable, it is known as partial
differential equation.
Ordinary Differential Equation
In general, an ordinary differential ... Show more content on Helpwriting.net ...
It is simply expressed as the matrix product of two factors, a variable vector with a constant matrix,
x ̅(t)=Hv ̅(t) 1.6
, where H is a constant matrix and v ̅(t) is a time–variable vector. This approach, using the matrix
theory, gives a numerical solution to the systems of homogeneous or non–homogeneous of linear
differential equation with constant coefficient. Any systems of linear differential equation which can
be solved by Laplace Transformation can also be solved by this approach.
Problem Statement
The basic approach recalculates the partial fraction expansion coefficients of a rational function
from the very beginning whenever the initial conditions are changed, which is very time–
consuming. This study finds an alternative approach to compute the solution with a minimal and
straightforward effort of re–computation upon the initial conditions changed.
Objective of
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Tobago Essay
The Government of Trinidad and Tobago has decided to construct a new school at the beginning of
the year 2016. This is due as the island is ranked sixty–fourth (64th) in the Global Education Index
(United Nations Development Programme 2013) and there is a drive to increase the island's global
ranked by the Education Ministry of Trinidad and Tobago. As a result, they have authorized a formal
report to determine potential sites that the school can be built on in which official bodies will
investigate further. To accomplish this goal, applications of Geographic Information Systems were
utilized to assess land suitability in Trinidad with several criteria provided by the Government along
with relevant data sources. Several areas throughout the western coast of Trinidad with
potential/ideal sites were discovered.
Introduction
According to the World Bank, the twin island's population is 1.354 million in 2014 and is increasing
by 0.3% per year. As a result of slow population increase there are several issues which would arise
such as food security and environmental degradation. The Education sector of a country is important
and plays a vital role in the development the general population. Investing in the island's education
system is essential for reducing inequality and poverty. Thus, the government of Trinidad and
Tobago would like to expand the sector as education is a fundamental part in the development of its
people. The government would like to develop a
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Square's Fraud Paper
Introduction
Square, Inc. is a financial services company based in San Francisco, California and they market
software and hardware payment products. Square was founded in 2009 and launched their services
in 2010. The Square Reader was the first product they ever released and it's a convenient way for
businesses to accept customer payments using a variety of different methods.
The beauty of Square's business model is that you can use one service for your entire business. This
eliminates the need for multiple services with different fee structures and different processing
methods. With Square, everything is all in one place from payments, to invoices, gift cards, POS
systems, employee management, payroll, scheduling appointments, funding, ... Show more content
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has an A+ Better Business Bureau rating, there are plenty of complaints to be found. In fact, they
have had 1098 complaints within the past three years. Their complaints consist of poor customer
support, suspended account issues, fund holding and account deactivation with no notification or
explanation.
Customer Service – Square states they will respond to email's within 24 hours; however, it seems
they are taking between two and three days. Although the simple issues are being resolved more
quickly. And they have since added a phone customer support line to ease the burden.
Fund Holding And Inaccessible Funds – Due to Square's fraud prevention measures, many
transactions set off fraud alerts, which in turn keep businesses from access their funds. What
happens is when a business completes a transaction, they then receive an email with a request to
verify or provide additional information. Unfortunately, even if the business owners comply, their
accounts were still sometimes suspended and they were not able to access to their funds for 90 days.
Furthermore, due to security reasons, the merchants were not told what condition of their agreement
they violated that resulted in their account being suspended. It seems many of Square's account and
fund holding issues stem from improper
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Submerged Radial Gates With A Sill
Hydraulics of Submerged Radial Gates with a Sill
Abstract
In this paper the submerged flow through radial gates with and without a gate sill was
experimentally investigated. The effect of different gate sill heights on contraction coefficient,
discharge coefficient, submerged jump length, backup water depth, flow energy dissipation, and
velocity distribution with different hydraulic parameters were analyzed and graphically presented. A
combination of dimensional and regression analysis tools was employed to develop reliable
formulas for estimating the studied parameters. This paper concluded the negative influence of sills
under submerged radial gates and justified the local scour phenomena occurred immediately
downstream the stilling basin of some existing submerged radial gates with a gate sill in Egypt.
Keywords: Radial gate; gate sill; submerged flow characteristics; submerged hydraulic jump;
velocity field.
1. Introduction
Radial (tainter) gates are among the most common features of water control structures in many
irrigation networks overall the world. They are employed to regulate both water level and flow
discharge in irrigation canals. Radial gates are preferred over vertical sluice gates for several
advantages. They require smaller hoisting force, have easier operation, produce lower flow
disturbance, and provide better discharge (Sehgal 1996). The flow through radial gates is classified
as either free flowing or submerged depending upon the tailwater depth and
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Speed Or Tempo Research Paper
Speed or Tempo: What is the difference?
Michael Smith
American Military University
Speed or Tempo: What is the difference?
Speed in terms of command and control is the ability to shorten the time needed to make key
decisions, plans, coordinate as well as communicate. Whereas tempo is acting at the right time as
well as acting the fastest or the earliest, the main importance between the two is speed is the ability
to shorten the time between the decisions being made whereas tempo, is implementing the right
timing on the battlefield. There is a large need to increase speed on the battlefield, whether it be
speeding up operations or slowing the enemies speed. Now which one allows the other to be more
effective? Tempo, tempo or the rhythm of the battle allows speed to be increased. In terms of
intelligence and command and control, effective intelligence can be the make it or break it factor in
terms of increasing the tempo. Now gaining speed and tempo in intelligence operations can be ...
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Orient, Observe, Decide and Act, through this loop speed are essential, the ability to be faster than
the enemy, to outthink and out maneuver, is a key on the battlefield that can decide victory or
failure. One key example of this was in WWII with General George S. Patton, during the battle of
the bulge he and his staff began preparing 3 separate plans as well as keeping their information flow
open in case of a German attack which came. His ability to read the battlefield and the information
being fed to him from his G–2 kept him well informed and gave him the ability to preempt the strike
and counter the German attack. The other key point was the focus on intelligence from Gen. Patton,
by using the CCIR's he had identified it sped the information flow as well allowed him to further
visualize the
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Advantages And Disadvantages Of Arrays
What is meant by array? An antenna is a system of similar antennas oriented similarly to get greater
directivity in a desired direction.
2. What is meant by uniform linear array.? An array is linear when the elements of the array
arespaced equally along the straight line. If the elements arefed with currents of equal magnitude
and having a uniform Progressive phase shift along the line, then it is calleduniform linear array .
3. What are the types of array?
a. Broad side array.
b. End fire array
c. Collinear array.
d. Parasitic array.
4. What is Broad side array? Broad side array is defined as an arrangement inwhich the principal
direction of radiation is perpendicularto the array axis and also the plane containing ... Show more
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Tapering is done fromcenter to end.
19.What is a binomial array? It is an array in which the amplitudes of theantenna elements in the
array are arranged according to thecoefficients of the binomial series.
20.What are the advantages of binomial array? Advantage:
No minor lobes
Disadvantages:
Increased beam width
Maintaining the large ratio of current amplitude in large arrays is difficult
21. What is the difference between isotropic and nonisotropicsource
Isotropic source radiates energy in alldirections but non–isotropic source radiates energy only in
some desired direction.
Isotropic source is not physically realizablebut non–isotropic source is physically realizable.
22.Define Side Lobe Ratio Side Lobe Ratio is defined as the ratio ofpower density in the principal
or main lobe to the powerdensity of the longest minor lobe.
23. List the arrays used for array tapering
Binomial Array:Tapering follows thecoefficient of binomial
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All the Mathematics You Missed but Need to Know for...
All the Mathematics You Missed
Beginning graduate students in mathematics and other quantitative subjects are expected to have a
daunting breadth of mathematical knowledge, but few have such a background. This book will help
students see the broad outline of mathematics and to fill in the gaps in their knowledge. The author
explains the basic points and a few key results of the most important undergraduate topics in
mathematics, emphasizing the intuitions behind the subject. The topics include linear algebra, vector
calculus, differential geometry, real analysis, point–set topology, differential equations, probability
theory, complex analysis, abstract algebra, and more. An annotated bibliography offers a guide to
further reading and ... Show more content on Helpwriting.net ...
. . . .
2 and J Real Analysis 2.1 Limits . . . . . 2.2 Continuity... 2.3 Differentiation 2.4 Integration .. 2.5 The
Fundamental Theorem of Calculus. 2.6 Pointwise Convergence of Functions 2.7 Uniform
Convergence . 2.8 The Weierstrass M–Test 2.9 Weierstrass ' Example. 2.10 Books .. 2.11 Exercises .
E
20 21 21
23 23 25 26 28 31 35 36 38
40
43
44 47
47
3
Calculus for Vector–Valued Functions 3.1 Vector–Valued Functions . . . 3.2 Limits and Continuity . .
. . . 3.3 Differentiation and Jacobians . 3.4 The Inverse Function Theorem 3.5 Implicit Function
Theorem 3.6 Books .. 3.7 Exercises . . . . Point Set Topology 4.1 Basic Definitions . 4.2 The
Standard Topology on R n 4.3 Metric Spaces . . . . . . . . . . 4.4 Bases for Topologies . . . . . . 4.5
Zariski Topology of Commutative Rings 4.6 Books .. 4.7 Exercises . Classical Stokes ' Theorems 5.1
Preliminaries about Vector Calculus 5.1.1 Vector Fields . 5.1.2 Manifolds and Boundaries. 5.1.3 Path
Integrals .. 5.1.4 Surface Integrals 5.1.5 The Gradient .. 5.1.6 The Divergence.
49
50 53 56
60 60
63 63 66 72 73
75 77 78 81 82 82
4
5
84
87
91 93 93
CONTENTS
5.1.7 The Curl . 5.1.8 Orientability . 5.2 The Divergence Theorem and Stokes ' Theorem 5.3
Physical Interpretation of Divergence Thm. . 5.4 A Physical Interpretation of Stokes ' Theorem 5.5
Proof of the Divergence Theorem . . . 5.6 Sketch of a Proof for Stokes ' Theorem 5.7 Books .. 5.8
Exercises .
6 Differential Forms and Stokes '
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Qwertyui
Methods for Convex and General Quadratic Programming∗ Philip E. Gill† Elizabeth Wong† UCSD
Department of Mathematics Technical Report NA–10–01 September 2010 Abstract Computational
methods are considered for finding a point that satisfies the secondorder necessary conditions for a
general (possibly nonconvex) quadratic program (QP). The first part of the paper defines a
framework for the formulation and analysis of feasible–point active–set methods for QP. This
framework defines a class of methods in which a primal–dual search pair is the solution of an
equality–constrained subproblem involving a "working set" of linearly independent constraints. This
framework is discussed in the context of two broad classes of active–set method for ... Show more
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This reformulation gives the primal–dual search pair as the solution of a KKT–system formed from
the QP Hessian and the working–set constraint gradients. It is shown that, under certain
circumstances, the solution of this KKT–system may be updated using a simple recurrence relation,
thereby giving a significant reduction in the number of KKT systems that need to be solved. The
linear constraints of a QP may include an arbitrary mixture of equality and inequality constraints,
where the inequality constraints may be subject to lower and/or upper bounds. Many mathematically
equivalent formulations of the constraints are possible, and the choice of formulation often depends
on the context. We consider the generic quadratic program minimize n x∈R 1 ϕ(x) = cTx + 2 xTHx
subject to Ax = b, Dx ≥ f, (1.1) where A, b, c, D, f and H are constant, H is symmetric, A is m × n,
and D is mD × n. (In order to simplify the notation, it is assumed that the inequalities involve only
lower bounds.) However, the methods to be described can be generalized to treat all forms of linear
constraints. No assumptions are made about H (other than symmetry), which implies that the
objective ϕ(x) need not be convex. In the nonconvex case, however, convergence will be to local
minimizers only. In Section 4, the nonbinding direction method is extended to problems
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Description Of The Reference Voltage Vector
Referring to Fig. 1(ii), consider in region II, the reference voltage vector is following the arc x1x2 at
a particular modulation index m. The position of the reference voltage vector is shown in Table 1. It
shows that, depending on modulation index value, the duration of stay within subsector 1 and
subsector 2 changes. Similarly, consider in region III, the reference voltage vector is following the
arc y1y2 at aparticular modulation index. The position of the reference voltage vector is shown in
Table 1 and it shows that depending on the modulation index value, the duration of stay within
subsector 2,3 and 4 changes.
Table 1: Duration of stay in subsectors
Region Duration of stay in subsectors Angle information
II Subsector 1 0≤θ≤θ_R2 θ_R2= sin^(–1)⁡
((1–√(12m^2–3))/4m) Subsector 2 θ_R2≤θ≤π⁄3–θ_R2
Subsector 1 π⁄3–θ_R2≤θ≤π⁄3
III Subsector 3 0≤θ≤θ_R3 θ_R3= sin^(–1)⁡
((√(12m^2–3)–1)/4m) Subsector 2 θ_R3≤θ≤π⁄3–θ_R3
Subsector 4 π⁄3–θ_R3≤θ≤π⁄3
As the reference voltage vector is formed using discrete switching vectors, the operating voltage
vector does not follow the reference trajectory []. The deviations between applied switching vector
and reference voltage vector results in the ripple in the output current waveform. For any switching
instance, the instanteneous current ripple due to application of ith switching vector (i.e. application
corresponding voltage vector Vi) can be written as (d(ΔI) ⃗)/dt= 1/L⌊□((V_i ) ⃗ )–(V_ref ) ⃗⌋ (1)
Thus, the trajectory of
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Competency 209 Week 1 Assignment 1: Linear Algebra
Task #1: Linear Algebra
Competency 209.8.5: Linear Transformations 209.8.6: Matrices
Jennifer Moore
Western Governor's University
Part A: The rotation matrix is "a matrix, which moves a body as a rigid unit without altering its
internal geometry" (Turkenburg). The work below shows a rotation matrix that is different from the
Identity Matrix, I.
Work Justification The rotation matrix Substitute a theta that will not result in the identity matrix .
Calculate sin and cos for this theta and the final matrix to the left is the 2x2 matrix A. Matrix A is
not the identity matrix.
To determine the location of point (3,2) when rotated using matrix A, matrix multiplication must be
applied. The work below shows ... Show more content on Helpwriting.net ...
Once the values of the determinant are assigned, then solve for x. This will give you the fourth entry.
The fourth entry of this matrix is 1, which since matrix B was used it should have been 1.
Part C: According to Theorem 4, a 2x2 matrix A, , is considered invertible the determinant, which is
, does not equal zero (Lay, 2015). The work below shows that matrix M is invertible by having a
nonzero determinant.
Work Justification This is the given matrix M.
Since matrix M has a nonzero determinant, this matrix is invertible.
Theorem 4 also states that if the determinant does not equal zero is true, then (Lay, 2015). The work
below shows that matrix M is invertible by computing the inverse using the inverse formula for 2x2
matrices above.
Work Justification The given matrix Using the inverse formula for 2x2 matrices, the inverse of the
matrix M is .
Two matrices are row equivalent if one matrix can be changed to the other matrix by a sequence of
elementary row operations. Theorem 8, The Invertible Matrix Theorem, part b says, "A row is
equivalent to the nxn identity matrix" (Lay, 2015). The work below shows the matrix M is row
equivalent to the identity matrix.
Work
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The History Of Sytech And Gene Therapy
All you need to know about Gene therapy
Sytech– Curing the future
The history of SyTech and Gene therapy
Gene therapy was introduced in 1985 by SyTech and has been the main priority of the company ever
since due to its promising future in science. One of the first human gene therapy procedures
involved injecting the correct ADA gene to a four year old girl with the ADA deficiency. Due to the
success of the procedure, the patient is now living a healthy life. The success marked an important
landmark in human history, one that has the potential to change the future. What is gene therapy?
In short, gene therapy is a method in which DNA Is used to fix a genetic problem. These problems
can include missing or genes that don't work. The right genes are delivered to the cell via harmless
viruses for their provirus properties. The viruses then insert the good copy of the gene into the
patients DNA where the cells machinery reads the information like a manual and makes RNA
proteins so when it divides, ideally, the problem will be fixed. There are two types f gene therapy:
Germline (targets egg/sperm cells; stops disease in its tracks) and somatic (targets somatic cells;
after the disease is active).The methods for gene therapy that are being tested include:
Replacing the non working copy of a gene with a healthier one
Bringing new genes entirely for those that don't exist
Bring a new gene to fight/fix the disease.
Obstacles to overcome:
SyTech is one of the only companies
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Steps For The Processing Of The Data Essay
This provides an overview of the steps that were used for the processing of the data. In general all of
the processes were executed using batch macros in ImageJ and the resulting files were saved at each
step. 1. Import the movie file into ImageJ. 2. Bin images by 4x (Image > Adjust Size > 512 x 512 >
Average when downsizing > Interpolation: Bilinear). Based on the results from a parallel study, this
improves the tracking of rapidly moving mitochondria. 3. StackReg each 50 frame movie (Plugins >
Registration > StackReg > Transformation: Rigid Body) to correct for stage drift. 4. Stretch images
by 2 on the time axis (Plugins > Transform > TransformJ > Scale > x–factor for scaling: 1, y–factor
for scaling: 1 z–factor for scaling: 2 > Interpolation scheme: quintic B–spline). Based on a separate
analysis, this also improves the tracking of rapidly moving mitochondria. 5. Determine the optimal
values for the FlowJ plugin. Crop out a small section of a movie that has the motion of interest and
is representative of the data set. Directly measure the motion of interest using a kymograph or other
trusted approach to establish "ground truth" flow. As an additional control, it may be helpful to
construct a parallel movie where the motion of interest is absent. Set Σs = 2 and Σt =2,
systematically vary τ and Σw and produce x y flow maps. First examine how the output varies as a
function of Σw. Pick the smallest value that generates a clear flow field for the moving object, then
for
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Essay About Food Bank
1. With all respect, I appreciate and I am thankful the YCFB because they have helped me a lot by
giving the food pantry every month.
2. I am Ramona Nelson, with this economy, I don't have enough to pay my bills.
3. We come to the YCFB for the necessity. Food is more expensive every day, and we can buy very
few, but it is not enough. With the blessings of God and the YCFB, we make the food to last for
month. Thank you, and I hope God keep blessing you.
4. I am thankful with the YCFB for the help, I am currently not working and I am sick. I hope to
keep receiving this help. Thank you.
5. We come to the YCFB because we are a family of 5, and we do not have enough food for the
whole month. Thank you for helping us.
6. Hi, I come to the YCFB ... Show more content on Helpwriting.net ...
The food bank provides a friendly service. My dependents and I are very happy with the free help
we receive. I hope God gives more to the food bank, and to the people who need it.
65. I am thankful with the food bank because it helps me with food when I need it the most. Thank
you for helping many people who need it. God bless you.
66. I like the food that I receive in the food bank, even though is little.
67. I come to the food bank because I am in need, I have children and I do not have enough to feed
them. With the help that I receive, I try to get ahead in life. Thank you for the help for every month.
68. Hi, I am single mother of three kids. I am thankful to all the people who donate and help us.
67. There are difficult moments in life, like not having food at home. This program makes a
difference in many households, and bring happiness to families with necessities. Your help is worth
it a lot, thank you.
70. I come here because when there is no food at home, I feel sad. I think about my wife, what is she
going to eat. Sometimes we ran out of money and we cannot buy food, and I think fast, the Food
Bank is an organization that do not discriminate any race, and religion. I come to the food bank
when I am hungry, thank you to all of those who donate. God bless all of
... Get more on HelpWriting.net ...

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Forecasting By Vector Autoregression Models

  • 1. Forecasting By Vector Autoregression Models CHAPTER NINE FORECASTING BY VECTOR AUTOREGRESSION MODELS 9.1 Vector Autoregressive (VAR) Models Vector Autoregression (VAR) models were introduced by the macro– econometrician Christopher Sims (1980) to model the joint dynamics and causal relations among a set of macroeconomic variables. The vector autoregression (VAR) is commonly used for forecasting systems of interrelated time series and for analyzing the dynamic impact of random disturbances on the system of variables. The VAR approach sidesteps the need for structural modeling by treating every endogenous variable in the system as a function of the lagged values of all of the endogenous variables in the system. The vector autoregression (VAR) model is one of the most successful, flexible, and easy to use models for the analysis of multivariate time series. It is a natural extension of the univariate autoregressive model to dynamic multivariate time series. The VAR model has proven to be especially useful for describing the dynamic behavior of economic and financial time series and for forecasting. It often provides superior forecasts to those from univariate time series models and elaborate theory–based simultaneous equations models. Forecasts from VAR models are quite flexible because they can be made conditional on the potential future paths of specified variables in the model. In addition to data description and forecasting, the VAR model is also used for structural inference and policy analysis. In structural ... Get more on HelpWriting.net ...
  • 2.
  • 3. Conservation Of Linear Momentum For A Jet Generates On... Conservation of Linear Momentum Name Institution Table of contents Objective 2 Results and Graphs 2 Discussion 3 Summary and Conclusion 3 References 4 Data Sheet 4 Sample Calculations 6 Conservation of Linear Momentum Objective The primary goal of this experiment was to study the force that a jet generates on hemispherical, flat, and conical surfaces. Further, the experiment exposed students to the concept of linear momentum conservation by observing forces that a jet of water exerts on objects with different shapes. Results and Graphs Figure 1: Forces Acting on the x and y axis As can be seen, the forces that act on the x–direction are caused by pressure at sections 1 and 2. Similarly, an expression that relates the conservation of linear momentum in the Y– direction can be developed. Discussion Although the experiment was successful, some errors occurred during the experiment that made most values to deviate from the expected ones. Generally, both fixed and random errors were observed (Mitchell & Worledge, 2015). The random errors, in this case, resulted into statistical fluctuations in the measured data because of the limitations in precision measurement. Additionally, the random errors occurred due to inability to take the same measurements as the expected ones. Furthermore, fixed errors were responsible for reduced inaccuracies in the values obtained (Valiani & Caleffi, 2011). However, the best way to minimize random errors is by averaging ... Get more on HelpWriting.net ...
  • 4.
  • 5. Mapinfo Case Analysis CE1.13 I used the Raster image option in Mapinfo for generating detailed topographical features and calculating the geographical distances and areas. I developed a two stage process for the creation of raster image. First, I initialized the vector coordinate values of the new location site obtained from the GPS receiver from the database Mapinfo software. Second step was the integration of the scanned aerial photographs obtained from Google Earth and paper map of the site location provided by the surveying agency, Survey of India. I added the coordinate values manually in the MapInfo table tool box, as there were some areas where GPS signal was unavailable. CE1.14 I noticed that the spatial data of the new BTS site data were provided by ... Show more content on Helpwriting.net ... I documented all measurements and findings based on the land survey and submitted reports to Team leader for further verification of the report. CE1.17 I was in–charge for submitting pre–deployment survey report for installation of the new BTS tower. I investigated the terrain feature obtained from the Mapinfo software. The information obtained from Mapinfo was used as the basis for the identifying the ideal location for the cell site. CE1.18 I conducted a wireless survey by using a wireless adapter for detecting the existing active access points and measuring the signal strength in new location site. Since pre–deployment survey was initial process for coverage site survey, I decided temporary access point as the reference point and applied trial and error method to identify different AP located on the new site within the limited boundary. CE1.19 I used a spectrum analyzer with a band of 2.4 GHz which was connected to the PC for the survey to detect the RF activity in the limited location and was used to calculate the signal as well as the noise intensity in the region. I measured the attenuation factor and signal attenuation with respect to distance. For the accuracy of these factors, I used unlicensed 2.4 and 5 GHz bands and I noted the variations in the power as I moved along from the reference point; I noted and referred this variation was due to the channel interference ... Get more on HelpWriting.net ...
  • 6.
  • 7. Stalin Powerless Quotes Crispin, by Avi, takes place during the Middle Ages–the Medieval era. Living during this period also meant social class division and intense Christianity. This causes Crispin's character to become powerless, cautious and worrisome, and religious. The Middle Ages was a time of hierarchy, so unless you were born into a family of nobles, you were a powerless peasant. In the novel, Crispin is a serf, the lowest rank of peasants, and suffers from many hardships because of it. With being serf, your rights are stripped away from you, leaving you completely powerless. Masters are allowed to anything they wish and if they disliked you, they were able to make false accusations against you. Crispin was a victim of this when Father Quinel tells him, "Aycliffe claims you stole money from ... Show more content on Helpwriting.net ... However, despite the uncommitted crime, Crispin has no control over the issue since to Aycliffe, Crispin is nothing more than an object–causing Crispin to be powerless. In addition to being powerless, being serf has also caused Crispin to become very cautious of others. He's often treated as an object, and doesn't receive much respect. He, "...had few friends and none I completely trusted. As 'Asta's son', I was oft the butt of jests, jibes, and relentless hounding" (Avi 13). Crispin and his mother are both serfs, and are looked down upon. Many people dislike Crispin mainly because of the relation he has to his mother. As a result, many people often taunt Crispin and alienate him– causing him to have difficulty in trusting people, and to be very cautious. For instance, Father Quinel instructed Crispin to meet him at Goodwife Peregrine's house. However, while on his way, Cerdic comes and tells him that there was a change in plans, and that Father could no longer meet him. This left Crispin at disbelief and was, "not certain I should trust the boy, but unsure what to do, I stood where I was" (Avi ... Get more on HelpWriting.net ...
  • 8.
  • 9. Report For The Hanover Design Company Report for The Hanover Design Company By Gheorghe Rusanda Tuesday, September 23, 2016 Contents Page 1  Contents Page 2  Introduction Page 3  Hardware Page 7  Software Page 9  Comparisons Page 10  References Page 11  The Basics of Computer Graphics Page 14  Impact of Mobile Oriented Graphics Introduction I am working as a trainee for The Hanover Design Company based in Westberry. They are a design consultancy firm that has just started. The company was awarded a few contracts to design the layout and marketing materials for 5 small organisations. As part of a team I have been asked to design the layout and marketing materials for one of the small business. In the following report I will state the necessary hardware, software and other devices that are required to produce graphics for our clients and why they are needed. Hardware required Internal Devices Graphics/Video Card A Graphics card is needed to render the graphics that will be created. Differed graphics Cards of different prices can perform according to their price. Generally, the higher the price the better the performance. RAM
  • 10. RAM is used to when running a program. An image editing program like Adobe Photoshop requires RAM to perform the various task it needs when using it. Usually is recommended to have 8GB of RAM for heavy use of graphic making programs. Processor (CPU) For the design of graphics a CPU is needed in order to execute the tasked that the editing ... Get more on HelpWriting.net ...
  • 11.
  • 12. Measuring The Load Pattern Of Measuring A Minimum Of Two... In some cases, lateral force shapes result to good approximation of demand displacements. Nevertheless, there has not been found any constant loading for exact approximation of local mechanisms and plastic hinges. Earthquake codes have made it mandatory to use a minimum of two lateral load patterns in nonlinear static procedure. These two load patterns are chosen to cover resulting forces in actual dynamic response of the structure. There are two load patterns which are used mostly in usual studies: uniform and modal load pattern. When using uniform load pattern, called also constant acceleration pattern, lateral forces applied to the structure are proportional to the mass of the building stories. This load pattern emphasizes on bottom floors demands more than top floor demands. It also increases the importance of shear in stories against overturning moment while modal load pattern emphasizes overturning moment and story demands. The FEMA356 code allows using comparative load pattern instead of constant load pattern. In this method the load pattern varies by plastic hinges as the displacements in the structure increase. Obviously, none of these shapes of constant loading can perform redistribution of inertia forces which occur with the first local mechanism and change of dynamic properties of the structure. Therefore, it is interesting to find a load shape which is closer to the variation of inertia forces distribution and gives a better approximation of the behavior of ... Get more on HelpWriting.net ...
  • 13.
  • 14. Unit 30: Digital Graphics P1, M1 Essay examples The Role of Components within a given computer system in the Production and Manipulation of Graphics Introduction: In this assignment, I will explain the role of hardware and software components within a computer system. Furthermore, I will explain how they relate to digital graphics.I will also recommend suitable components for Cambridge Industrial Design. (P1) I will then compare the limitations of different software packages used in graphics work. (M1) Digital graphics are in their own way an art form, digitally constructed to create phenomenal images. However, you need to have some sort of artistic ability combined with a suitable computer system before you can design the perfect graphic. Graphics Card Starting the ... Show more content on Helpwriting.net ... For example, a word document is saved to a folder within a folder within a hard drive. Other files such as programs are saved onto the hard drive. Modern day HDDs are cheap and effective as the cost is low and the memory capacity can be of mass size, however, they are slow which makes HDDs a worthy competitor for SSDs. SSDs are flash memory drives, capable is holding programs and loading them faster than HDDs, however, small in memory capacity and expensive. Furthermore, you can combine the two. You can use the Solid state drive to save and quickly load programmes such as adobe Photoshop and use the hard disk driveto store images, videos, music and documents. I would recommend this powerful combination to anyone searching for fast performance and large memory capacities. Processors (CPU) The processor (otherwise known as CPU) is the very soul and performance core of the computer system; it is what allows the operating system and other software applications to–run. Every program demands dedication from the processor to decode commands that are then actionedinside the CPU to make them work.When a program is running, the CPU has to make every command work consistently one after the other. However, modern processors have the power to process commands side by side. This means that the quicker the commands are executed, the quicker the program responds to the user. Central Processing Units (CPUs) play an important role when it comes to maintaining ... Get more on HelpWriting.net ...
  • 15.
  • 16. Implementation Of A New Fast Direct Torque Control... Implementation of a new fast direct torque control algorithm for induction motor drive. Neha D.Bais Mtech IPS in Electrical Engineering G.H.Raisoni college of Engineering ,Nagpur Email– nehabais84@gmail.com J.G.Chaudhari Asst Prof Electrical Engineering G.H Raisoni college of Engineering, Nagpur. Email– jagdish.choudhari@raisoni.net Abstract– The abstract DTC system used for controlling of Induction motor gives robust as well as gives a high dynamic performance.However it has two major drawbacks .The first one is the variation of switching frequency in accordance with the amplitude of the hysteresis bands and the motor operating speed ,also the selection of voltage vectors is not optimized inside the flux hysteresis band to ... Show more content on Helpwriting.net ... It is the simplest technique ,with good dynamic performance , robust and gives large benefits. It is recognized as an alternative method to field oriented control (FOC). Industrial drives with DTC are present in the market today.DTC is proposed to control electromagnetic torque and stator flux by directly modifying the stator voltage in accordance with the torque and flux errors DTC has added advantages over FOC absence of mechanical transducer, no requirement of co–ordinate transformation ,and a very simple control scheme with less computational time Though DTC is simple and have fast transient response, it generates high level common mode voltage variations. To avoid the problems of common mode voltage variations a new DTC algorithm was developed, in which, only odd or only even voltage vectors will be applied in each sector in which stator flux lies without using any zero voltage vectors. However, this method gave torque ambiguity. To overcome the torque ambiguity, modified DTC algorithm has been proposed The variable switching technique is a part of the conventional DTC technique . It was firstly introduced by Takahashi and Noguchi around 1980's this method is the wide band of the switching frequency of the inverter even when the flux and torque references are kept constant. The conventional DTC scheme has some inherent ... Get more on HelpWriting.net ...
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  • 18. Mathematics Has Become A Part Of Our Life ABSTRACT: Mathematics has become part of our life. Graph Theory is a branch of mathematics that plays a major role in every field of human being. In this paper we define different matrices associated with the Graphs along with some properties of a graph. And Rank of rank of an incidence matrix. Key Words: Adjacency matrix, Incidence matrix, Degree matrix, Circuit matrix and Line graph. INTRODUCTION: Incidence Matrix is one of methods of representing the graph. Let G = (V,E) be graph whose vertices and edges are labeled as v_1,v_2,........v_n and e_1,e_2,........e_m. An incidence matrix B associated with graph G of order n×m is defined by b_ij={█(1 if v_i is incident with e_j@0 Otherwise )┤ [4] The graph and its incidence matrix are shown as follows: The incidence matrix contains only two elements 0 and 1. Such a matrix is called a binary matrix or (0 1) – matrix. For a given any geometric representation of a graph without self–loops we can easily write its corresponding incidence matrix. On the other hand if we were given an incidence matrix B we can construct a graph without any difficulty. The graph and its incidence matrix are simply two alternative ways of representing the same graph. [1] PROPERTIES: Some observations of incidence matrix and it's graph. Since every edge is incident on exactly two ... Get more on HelpWriting.net ...
  • 19.
  • 20. Analysis Of Corecivic's Politics And The English Language At first glance, CoreCivic strictly adheres to an ideology of acceptance and second chances, and the discourse of their Code of Conduct strongly reflects that. However, on deeper analysis, certain anomalies present themselves, and CoreCivic's apparent ideals begin to shift. Luckily, many of these irregularities can be easily pointed out by applying Orwell's criteria for bad writing from "Politics and the English Language", such as misuse or overuse of idioms and vague use of language. While CoreCivic's statements paint a remarkably friendly picture, context paints another. Firstly, nearly every statement made by CoreCivic is unnaturally saturated by honorific words and phrases, oftentimes with as many as four in a single sentence. In conjunction ... Show more content on Helpwriting.net ... Here are some examples, one pulled from each sentence: "A strong ethical culture is the cornerstone ... special emphasis on fostering an ethical environment ... company with such a strong commitment to doing the right things ... responsibility to help government better the public good ... fulfill this mission with integrity ... when we work with integrity ... built on a foundation of ethical conduct" (The CoreCivic Code of Ethics). This kind of language may be great for public image and investor trust, but through the lens of Orwell's analysis of modern language, it becomes far more disingenuous. CoreCivic may well have turned a new leaf, and truly meant every word of its statements. But in the light of context, it becomes far more likely that CoreCivic's friendly aesthetic is nothing but a desperate response to a PR ... Get more on HelpWriting.net ...
  • 21.
  • 22. What Are The Advantages And Disadvantages Of A Bitmap Vs.... In the presently highly digital world we live in, there are essentially two types of graphic "files" used, the bitmap and the vector graphics. Both have an overall similar principal but differ in various sub–arrays, which bring along each of their own advantages and disadvantages. To begin with, the word bitmap originated in the year 1973, and came to be by adding the words bit + map which literally means a map of bits, which perfectly describes the nature of a bitmap graphic. A bitmap is composed of thousands of pixels, each of which has it's own fixed position and can be individually edited, which forms an overall bitmap graphic/image. Bitmaps are largely the standard for Internet graphics but however contain disadvantages. Bitmaps are largely ... Show more content on Helpwriting.net ... When written, the width measurement is always written first. Aspect ratios all have to deal with the amount of empty space you are willing to have surrounding the "main subject". Awareness of the different aspect ratios provided by the device in hand may lead to better compositions in the image. The difficulties with aspect ratio are that when there is an inconsistency, one must either crop the image or compromise the size of the image. Furthermore, when the aspect ratio of a particular image is not compatible with the screen, upon which it's displayed, black stripes are used to adjust the difference without compromising the ... Get more on HelpWriting.net ...
  • 23.
  • 24. The Usefulness Of Viral Vectors The Usefulness of Viral Vectors in Treating Dravet Syndrome Voltage–gated sodium channels initiate the development action potentials in neurons; mutations of genes encoding these channels are responsible for genetic epilepsy syndromes with varying degrees of severity1. Dravet syndrome, or severe myoclonic epilepsy of infancy (SMEI), is a complex and severe form of childhood epilepsy, caused by a nonsense mutation in the sodium voltage–gated channel alpha subunit 1 (SCN1a) gene. Severe loss of function mutation in Nav1.1 causes SMEI, which involves intractable epilepsy, ataxia, and cognitive impairment 1. It is important to study this disease because of its early mortality in children and because of its high resistance to drug therapy 2. ... Show more content on Helpwriting.net ... Adeno–associated viral vectors (AAV): Adeno–associated viral vectors are non–enveloped single stranded DNA viruses used in treating diseases of the central nervous system 3. AAV vectors have been widely used in clinical trials to deliver therapeutic genes to mutated ones, and are efficient and safe in vivo application3. However one major drawback is the limited packaging capacity for genes with larger sizes 3. Fortunately, this can be overcome with the treatment of the dystrophin gene (DMD), which encodes the cohesive protein dystrophin that supports the cytoskeleton of a cell3. There are two methods can be used with AAV vectors to decrease the duration of epilepsy: inducing somatostatin into AAV vectors and direct injection of glial targeting AAV vectors. Method 1: Somatostatin (SST) is a neuromodulator known to have diverse functions in sleep and motor activity and it plays a putative anticonvulsant role, such as in maintaining hippocampal homeostasis4. Some studies have suggested that AAV vector–mediated expression of SST suppresses hippocampus related seizure development in rats4. Viral vector gene therapy using SST as an anti–seizure–related neuropeptide in a kindling model of epilepsy was implemented, where over successive electrical stimulation of the same intensity, seizures evolve from partial to generalized states 4. The duration of seizures was lower for the vector infused with SST (pAAV–CBa–SST), than compared to the vector that was ... Get more on HelpWriting.net ...
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  • 26. Ratan Tata: Leading the Tata Group Into the 21st Century... Ratan Tata: Leading the Tata Group into the 21st Century 1. The Tata Group has been transformed from a risk–averse, slow–moving giant into a more dynamic and aggressive conglomerate. How much of such a transformation can be attributed to one individual? Discuss the role of the leader in initiating and managing change. Answer The Tata Group transformation can be greatly attributed to the vision and execution of Ratan Tata. He was greatly responsible for the tremendous transformation because he was able to take his vision for the group and transformed it into a reality. By enforcing a mandatory retirement age policy which removed a lot of top management, who were challenging the core functions of the group and hindering growth, Ratan ... Show more content on Helpwriting.net ... 2. The Tata Group had a presence in a wide range of businesses wince its early days. Later, rattan Tat managed to streamline the Tata Group. What advantages and disadvantages did the group gain through the streamlining of business? Do you think, as of 2009, the Group is still present in too many businesses? Answer There were a total of 84 companies in several industries under the Tata Group in the early days. With the vision of the new leader, he realized that there was a lot of irrelevant businesses in the group that did not contributed much to the group's profits and as a result he streamed line and exited a lot of the industries in which the group was not doing well, in order to accomplish his vision and goal and make the group stronger. In my opinion, this was a good move as the benefits outnumbered the disadvantages. The stream lining made it possible for the group to manage the companies easier. In addition, they were able to cut costs by having a smaller workforce and fewer overheads. Importantly, they improved productivity in the group by eliminating some unnecessary ventures and focusing more resources in certain areas, thus improving revenue. Finally, they were able to gain profits from the sale of some companies. On the other hand however, this stream lining caused many individuals to lose their jobs, resulting in a lot of homes having decreased incomes. There were also a lot of ... Get more on HelpWriting.net ...
  • 27.
  • 28. Essay about Engineering Lab Report Sample, Master's Student Precipitation hardening in 2024 Aluminum Lab Report Abstract "Age or Precipitation Hardening" effects on the 2024 Aluminum sample (Al–4%Cu) was investigated by conducting two sets of experiments on 5 samples. In the first experiment, 4 of the samples were artificially aged, and in the second experiment, only one of the 5 samples were naturally aged. In conclusion, it is concluded that the hardness of the samples is directly affected by the time and the temperature of the age hardening, so as the samples are age hardened longer and in a higher temperature, the hardness of them increases accordingly. Description of theory Age or Precipitation hardening is a widely used heat treatment method that is done to raise the strength (including ... Show more content on Helpwriting.net ... The readings are in the following table Sample # 3 5 8 0 Time remained in the furnace(min) 30 30 30 30 Hardness (HRB) 30.40 37.02 32.41 31.08 Table 3: Hardness readings of four sample hardness test results in 10 minutes after quenching into water In order to perform an artificial aging on these 4 samples, they are transferred into a 190°C Furnace, then are removed separately after 3, 10, 60, and 120 minutes; Then all quenched into water, and their hardness tested. In addition to the above process, the hardness test of the samples # 5 and 3 are measured after a week (table 4). Sample # 5 3 0 8 5 3 Aging Time (min) 3 min 10min 45 min 50 min 1 Week 1 Week Furnace Temperature(°C) 190 1 190 1 190 1 190 1 190 1 190 Hardness (HRB) 64.53 66.30 59.28 60.50 69.23 65.70
  • 29. Table 4: Four samples hardness test result after artificial aging 4 Discussion of results As seen in the Fig. 2, there is a dramatic increase in the hardness (31.66 to 65HRB) of the material over a ... Get more on HelpWriting.net ...
  • 30.
  • 31. Case Study: Correctional Officer Gurrola Correctional Officer Gurrola (CO) interviewed the appellant on October 14, 2016. The appellant stated he is only being given 8 hours a month for visitation. The appellant stated the Southern Hispanics are given 4 hours every second and fourth Thursday's of the month by appointment. The appellant stated he should be given up to 12 hours a week for visitation per Title 15 Policy. The appellant concluded the visitation schedule should be consecutive with Friday, Saturdays, and Sundays. The appellant provided a CDCR Form 22 sent to visitation on August 12, 2016. The CDCR Form 22 response from visitation stated the schedule was determined by the Warden and the Administration. California Code of Regulation, Title 15 states the following: 3172.2. ... Get more on HelpWriting.net ...
  • 32.
  • 33. Essay On Plasma Collisionality The relationship between plasma collisionality and intermittency has been investigated for density and potential fluctuations in the stellarator TJ–K, as well as with Hasegawa–Wakatani simulations. The intermittency level was determined in experiments using two methods. First, the scale separated kurtosis analysis consisted of applying a wavelet transform to density and potential time series and calculating the kurtosis of the wavelet coefficients at a chosen frequency scale, (–– removed HTML ––) (–– removed HTML ––) 30 (–– removed HTML ––) (–– removed HTML ––) similar to the method of calculating the kurtosis of a high–pass filtered signal. (–– removed HTML ––) (–– removed HTML ––) 24 (–– removed HTML ––) (–– removed HTML ––) ... Show more content on Helpwriting.net ... For density fluctuations, a general trend of increasing intermittency with increasing collisionality is observed, for both experimental data and simulated data. This trend agrees with the HW simulation result for the Lagrangian intermittency at high collisionality. (–– removed HTML ––) (–– removed HTML ––) 12 (–– removed HTML ––) (–– removed HTML ––) For potential fluctuations, on the other hand, no trend in the intermittency level and collisionality is observed, and the intermittency level remains low, indicating self–similar fluctuation statistics, in accordance with Refs. (–– removed HTML ––) 13 (–– removed HTML ––) , (–– removed HTML ––) 14 (–– removed HTML ––) , (–– removed HTML ––) 44 (–– removed HTML ––) , and (–– removed HTML ––) 45 (–– removed HTML ––) . This result suggests that potential fluctuations can be modelled using Gaussian statistics over the parameter range investigated. (–– removed HTML ––) (–– removed HTML ––) The observed trend in the intermittency level of density fluctuations with collisionality and the self–similarity of potential fluctuations can be explained in the framework of the HW model. The model describes the spatio–temporal evolution of the density, potential, and vorticity, with a parallel coupling term influenced by the collisionality. In the HW simulations, vorticity fluctuations have been ... Get more on HelpWriting.net ...
  • 34.
  • 35. A Survey Of Image Based Artistic Rendering Techniques A survey of Image Based Artistic Rendering techniques Introduction Paintings have been known to capture the human imagination since the pre–historic times. A skilled artist can evoke a range of human emotions and can portray things like appearances, playing of light in surfaces, mood etc. on the paper. Similarly, with the invention of photography in the 19th century, the artists got a new medium for their expressiveness and simulated artistic diversity. The field of non–photorealistic rendering started off in the early nineties with the aim of using the power of computer graphics and create an interface between the two fields. With the exponential rise in computational power and the advances made in computer graphics, the field has ... Show more content on Helpwriting.net ... Also, researchers increasingly sought to automate the process and enhance the sophistication of stroke placement. The work by Haeberli[2] enabled people to transform photographs into impressionist paintings with minimal labor. The user clicked on a photo, and the underlying system automatically placed the virtual strokes by using the color of the source image. They also added noise to results to enhance the impressionist effect. However, the first automatic solution was a tool proposed by Litwinowicz [3]. This is the paper which we review first in this report. Processing Images and Video for an Impressionist Effect This paper aims producing impressions of the original image, i.e. images that give a sense of an original image without reproducing it. They happen to have a "painterly feel" to them and appear as they have been hand–painted. They produce painterly animation from video clips automatically after the user specifies a few parameters to generate he first frame. After the user's preferences are taken into account and he approves the first frame, the whole video segment is automatically produced without further user intervention. The biggest challenge in videos is to produce a temporally coherent style of animation which avoids flicker and takes into account the movement of objects in the video. This paper was the first one to use optical flow to compute the per–pixel movement in images and use it to generate a sequence which is ... Get more on HelpWriting.net ...
  • 36.
  • 37. My Autobiography On Mathematics : I Do Not Think Am Good... My Autobiography in Mathematics I do not think am good or bad in mathematics. I usually fight hard in some areas, however it becomes very easy for me once I get the concept. I do struggle much to ensure that I work out my assignments, tests and other class works. I try my best to finish my math work accurately and am looking forward that I retain the spirit till I finish school. Once a new topic is introduced to class, I normally struggle to understand the concept in the first days of the teaching. This enables me to easily complete different worksheets involving that topic. The problem arises when examination or contests come along. I abruptly found myself blank– I just forgot everything. My big challenge was in vectors. Vectors really ... Show more content on Helpwriting.net ... Mathematics widens the mind to think critically. It is more than measuring, counting and computing. It opens up other subjects– sciences. As far as Mathematics teaching is concerned, the major goal is the involvement of the students in the practice of realizing mathematical ideas and framing process. One of the encouraging worries about learning Mathematics is the point that it opens up the mind to solve problems that require radical order rational skills. These complications and puzzles provoked the curiosity and challenge the inventiveness of individuals. Giving problem solving into the class improves students' skills and their ability to reason prudently, rationally and creatively. Hugar criticizes the things we might consider about a mathematics class are processes, equations, and word problems, of which learning them, a student has to master to solve problem. Therefore, in the last decades there has been a move to approach the teaching of mathematics through solving of problem. In this paper, I have written my autobiography on mathematics. Literature Review Krulik states that a problem is situation, quantifiable or else that challenges a person or groups of people, which needs determination, and for which the individual sees no seeming path to the solution. There are many definitions put forward by experts. Essentially these definitions have the same meaning while the variances lie only on the ways they formulate them. We have two definitions here; ... Get more on HelpWriting.net ...
  • 38.
  • 39. Chemical Burn Research Paper The severity of a chemical burn depends on the following factors: corrosive capability of the chemical burn, concentration of the chemical, temperature of the chemical or the solution in which it dissolved and lastly, duration of the contact with the chemical (page 294). Also an important dependent on the severity of the burn is by how deep the burn in question penetrates through the skin. This is determined by the location of the burn, age of the victim, and the amount of burned area (page 293). Chemical burns can destroy body tissue, depending on the extent of destruction including the severity of the burn. However, chemical burns can also cause a high risk of infection in victims. Due to this risk of infection it is important to keep the ... Get more on HelpWriting.net ...
  • 40.
  • 41. Video Games Are The Most Revolutionary Form Of Art To quote the famous game designer Santiago Sir "Games are not just art, they are the most revolutionary form of art mankind has ever known about". Video games are a hybrid form of art that brings together multiple forms of art. Video games are very aesthetic. They achieve this through the use of their realistic graphics, in depth development of the story, and the emotional attachment built overtime with the game. Video games have come a long way in the development of the graphics system. To really understand the substantial innovations that have been made, one needs to understand where the original graphics started. The original video games used vector based graphics, which uses geometric primitives to produce an image. This was common for arcade games. These vector based graphics were mainly two dimensional and had little detail. For the time that these games released it was an amazing feat of art that they could use math to produce these images and have a reaction through the use of a joystick and buttons. Video games of the modern time we live in have blown this feat of the past out of the water. The common form of producing graphics in a video game now uses resolution based bitmap graphics to develop images. These image can be three or two dimensional and have detail down to a bead of sweat rolling down your cheek or the swift movement of the grass and landscape. Skyrim is a modern day video game that has achieved this feat of art. "Skyrim 's new game engine brings to ... Get more on HelpWriting.net ...
  • 42.
  • 43. Vector VECTOR FUNCTIONS VECTOR FUNCTIONS Motion in Space: Velocity and Acceleration In this section, we will learn about: The motion of an object using tangent and normal vectors. MOTION IN SPACE: VELOCITY AND ACCELERATION Here, we show how the ideas of tangent and normal vectors and curvature can be used in physics to study:  The motion of an object, including its velocity and acceleration, along a space curve. VELOCITY AND ACCELERATION In particular, we follow in the footsteps of Newton by using these methods to derive Kepler's First Law of planetary motion. VELOCITY Suppose a particle moves through space so that its position vector at time t is r(t). VELOCITY Vector 1 Notice from the figure ... Show more content on Helpwriting.net ...  So, C=i–j+ k
  • 44. VELOCITY & ACCELERATION Example 3 It follows: v(t) = 2t2 i + 3t2 j + t k + i – j + k = (2t2 + 1) i + (3t2 – 1) j + (t + 1) k VELOCITY & ACCELERATION Example 3 Since v(t) = r'(t), we have: r(t) = ∫ v(t) dt = ∫ [(2t2 + 1) i + (3t2 – 1) j + (t + 1) k] dt = (⅔t3 + t) i + (t3 – t) j + (½t2 + t) k + D VELOCITY & ACCELERATION Example 3 Putting t = 0, we find that D = r(0) = i. So, the position at time t is given by: r(t) = (⅔t3 + t + 1) i + (t3 – t) j + (½t2 + t) k VELOCITY & ACCELERATION The expression for r(t) that we obtained in Example 3 was used to plot the path of the particle here for 0 ≤ t ≤ 3. VELOCITY & ACCELERATION In general, vector integrals allow us to recover:  Velocity, when acceleration is known v(t ) v(t0 ) t t0 a(u ) du  Position, when velocity is known r (t ) r (t0 )
  • 45. t t0 v(u ) du VELOCITY & ACCELERATION If the force that acts on a particle is known, then the acceleration can be found from Newton's Second Law of Motion. VELOCITY & ACCELERATION The vector version of this law states that if, at any time t, a force F(t) acts on an object of mass m producing an acceleration a(t), then F(t) = ma(t) VELOCITY & ACCELERATION Example 4 An object with mass m that moves in a circular path with ... Get more on HelpWriting.net ...
  • 46.
  • 47. Linear Algebra Toolbox ICSSP–2014 LINEAR ALGEBRA TOOLBOX FOR GNU RADIO Kokila M, KaviNandhini M, Vishnu R, Gandhiraj R*, Soman K P Center for Excllence in Computational Engineering and Networking, *Department of Electronics and Communication Engineering, Amrita School of Engineering, Amrita Vishwa Vidyapeetham ,Coimbatore,Tamil Nadu–641112 Email.id:kokilamani024@gmail.com,mkavinandhini@gmail.com A B S T R A C T The goal of this paper is to bring Linear Algebra and Digital Signal Processing together for efficiently solving the applied signal processing problems. Linear Algebra tool box is created to visualize the signal by just clicking and dragging the concerned module. In MATLAB and other platforms, tapping of the signals cannot be done and conventional code has to be written for solving the problem. GNU Radio is a freeware software for processing signals through which tapping of signal can be done .The module is created in GNU Radio with predefined template and the platform used here is C++.Further, the code is glued to Python using swig. The blocks are created in order to estimate energy, check orthogonality, compute unit normalization, find Euclidean norm of a signal and least square fitting. The end user can visualize the signal in various plots. KEYWORDS: Linear Algebra, GNU Radio, MATLAB. 1. Introduction GNU Radio is a free and open source software development toolkit that provides signal processing blocks to implement software radios. This free software toolkit for ... Get more on HelpWriting.net ...
  • 48.
  • 49. Leadership And The Life Cycle Of A Group . A Group Is A Leadership and the Life Cycle of a Group A group is a living thing, developing over time and adapting to the environment and expectations imposed upon it as it grows. When observed carefully, a pattern of distinct phases emerge in this growth process. It is important to recognize and take advantage of these various stages of development in order to maximize group effectiveness and efficiency. There are several different models for small group development, but Tuckman 's model is "probably the most famous sequential–stage theory" (Johnson & Johnson, 2016, p.27). This paper will discuss the five stages of group development according to Tuckman 's model as well as some practical leadership guidelines that will help a group remain effective ... Show more content on Helpwriting.net ... Of great value at this stage is encouragement and patience. The reason for the conflict is generally insecurity (Bonebright, 2010, p. 114), so providing a strong support system an reassurance can help move a group to the next phase. As members of the group begin to feel safe and secure, the conflict will settle and the group will develop a bond and unified goals. Labeled a period of norming, it is "characterized by close relationships and cohesiveness" (Group Development, 2003). In fact, this stage is so characterized by relationship that it could almost be viewed as a honeymoon phase. Group members will frequently set aside differences and unity becomes a priority. It is important at this stage to emphasize honesty and creativity because the group will likely be trying so hard to be amenable that some members may hold back. Others will be ready to open up given their newfound sense of security within the group. This is also a critical time for the group because it typically delineates a time to commit (Johnson & Johnson, 2016). If a group reaches this stage and not all members are on board, it may hinder progress. Once a group has developed cohesiveness, it will truly begin to produce. This phase of effectiveness is titled performing according to Tuckman 's model. At this stage, the group is a "problem–solving instrument", capable of working through obstacles and accomplishing goals (Bonebright, 2010, p. 114). Is it not uncommon for groups ... Get more on HelpWriting.net ...
  • 50.
  • 51. The Effects Of Climate Change On Development And The... Human survival is dependent on myriad things, the first of which that come to mind are food, water and shelter. As the world has developed, the abundance of each of these has increased dramatically, especially in the developed world. However, along with this growing population and resource web has come a growing understanding of disease, and its impacts on the more–developed and less– developed parts of the world. Another effect of growing population is the concerning truth of climate change: changes in climate not only alter the environment, but can alter the range and distribution of diseases. Moreover, human population leads inherently to social networks and systems that can have significant impact on development and the spread of disease. These impacts can manifest as civil strife, or simply the unavoidable reality of proximity within a community. Lea Berrang–Ford, an Associate Professor at McGill University, has conducted numerous studies over the past approximately fifteen years that blend together the complex aspects of disease spread in general, choosing to focus mostly on African trypanosomiasis or "sleeping sickness", and how climatic and social pressures affect the spread of disease. Her work also extends beyond her own research, into her classroom, and through her students, out into the world. Berrang–Ford earned her first degree, a BS in Environmental Geography, from the University of Guleph in 2000. She then went on to earn an MS in Environmental Change and ... Get more on HelpWriting.net ...
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  • 53. Path Integration for Navigation Path Integration Forms of spatial sensitivity among organisms are exceedingly wide–ranging. Spatial sensitivity among lower animals has been studied in its role in navigation. Many of these animals exhibit extraordinary navigational capacities. Amoebae have light sensitivities that lead them to liquid areas that serve their chemical needs. Crickets locate mates using sound. Path integration, or dead reckoning, is one of the four types of navigation. I begin by distinguishing the differences among the four types of navigation. I continue by explaining in more detail the second type of navigation: path integration. Next I explain why one might think that certain types of path integration are not representational. Last I show why path integration doesn't depend on perceptual constancies. Path integration is one of the four types of navigation. The other three are beaconing, landmark use, and map use. Organism's can travel toward or away from a source of stimulation. Beaconing, or homing, is an organism's movement toward a target. That movement is in response to a stimulation that derives from the target's location. Beaconing allows organisms to move in directions that are favorable to them. For example, salmon travel in the ocean for years. After a couple years, they return to their home streams in straight a line. This is a result of them responding to certain hormonal changes. Many organisms use another type of navigation called landmark use. Landmark use ... Get more on HelpWriting.net ...
  • 54.
  • 55. Equation: A Comparative Analysis: Definition Of... CHAPTER 1 INTRODUCTION Definition of Differential Equation A differential equation is an equation which consists of derivatives or differentials of one or more dependent variables with respect to one or more independent variables (Abell & Braselton, 1996). Differential equation generally can be classified into two, which are ordinary differential equation and partial differential equation. If a differential equation consists of ordinary derivation of one dependent variable with respect to only one independent variable, it is known as ordinary differential equation. Meanwhile, if a differential equation consists of partial derivative of one or more dependent variables with respect to more than one independent variable, it is known as partial differential equation. Ordinary Differential Equation In general, an ordinary differential ... Show more content on Helpwriting.net ... It is simply expressed as the matrix product of two factors, a variable vector with a constant matrix, x ̅(t)=Hv ̅(t) 1.6 , where H is a constant matrix and v ̅(t) is a time–variable vector. This approach, using the matrix theory, gives a numerical solution to the systems of homogeneous or non–homogeneous of linear differential equation with constant coefficient. Any systems of linear differential equation which can be solved by Laplace Transformation can also be solved by this approach. Problem Statement The basic approach recalculates the partial fraction expansion coefficients of a rational function from the very beginning whenever the initial conditions are changed, which is very time– consuming. This study finds an alternative approach to compute the solution with a minimal and straightforward effort of re–computation upon the initial conditions changed. Objective of ... Get more on HelpWriting.net ...
  • 56.
  • 57. Tobago Essay The Government of Trinidad and Tobago has decided to construct a new school at the beginning of the year 2016. This is due as the island is ranked sixty–fourth (64th) in the Global Education Index (United Nations Development Programme 2013) and there is a drive to increase the island's global ranked by the Education Ministry of Trinidad and Tobago. As a result, they have authorized a formal report to determine potential sites that the school can be built on in which official bodies will investigate further. To accomplish this goal, applications of Geographic Information Systems were utilized to assess land suitability in Trinidad with several criteria provided by the Government along with relevant data sources. Several areas throughout the western coast of Trinidad with potential/ideal sites were discovered. Introduction According to the World Bank, the twin island's population is 1.354 million in 2014 and is increasing by 0.3% per year. As a result of slow population increase there are several issues which would arise such as food security and environmental degradation. The Education sector of a country is important and plays a vital role in the development the general population. Investing in the island's education system is essential for reducing inequality and poverty. Thus, the government of Trinidad and Tobago would like to expand the sector as education is a fundamental part in the development of its people. The government would like to develop a ... Get more on HelpWriting.net ...
  • 58.
  • 59. Square's Fraud Paper Introduction Square, Inc. is a financial services company based in San Francisco, California and they market software and hardware payment products. Square was founded in 2009 and launched their services in 2010. The Square Reader was the first product they ever released and it's a convenient way for businesses to accept customer payments using a variety of different methods. The beauty of Square's business model is that you can use one service for your entire business. This eliminates the need for multiple services with different fee structures and different processing methods. With Square, everything is all in one place from payments, to invoices, gift cards, POS systems, employee management, payroll, scheduling appointments, funding, ... Show more content on Helpwriting.net ... has an A+ Better Business Bureau rating, there are plenty of complaints to be found. In fact, they have had 1098 complaints within the past three years. Their complaints consist of poor customer support, suspended account issues, fund holding and account deactivation with no notification or explanation. Customer Service – Square states they will respond to email's within 24 hours; however, it seems they are taking between two and three days. Although the simple issues are being resolved more quickly. And they have since added a phone customer support line to ease the burden. Fund Holding And Inaccessible Funds – Due to Square's fraud prevention measures, many transactions set off fraud alerts, which in turn keep businesses from access their funds. What happens is when a business completes a transaction, they then receive an email with a request to verify or provide additional information. Unfortunately, even if the business owners comply, their accounts were still sometimes suspended and they were not able to access to their funds for 90 days. Furthermore, due to security reasons, the merchants were not told what condition of their agreement they violated that resulted in their account being suspended. It seems many of Square's account and fund holding issues stem from improper ... Get more on HelpWriting.net ...
  • 60.
  • 61. Submerged Radial Gates With A Sill Hydraulics of Submerged Radial Gates with a Sill Abstract In this paper the submerged flow through radial gates with and without a gate sill was experimentally investigated. The effect of different gate sill heights on contraction coefficient, discharge coefficient, submerged jump length, backup water depth, flow energy dissipation, and velocity distribution with different hydraulic parameters were analyzed and graphically presented. A combination of dimensional and regression analysis tools was employed to develop reliable formulas for estimating the studied parameters. This paper concluded the negative influence of sills under submerged radial gates and justified the local scour phenomena occurred immediately downstream the stilling basin of some existing submerged radial gates with a gate sill in Egypt. Keywords: Radial gate; gate sill; submerged flow characteristics; submerged hydraulic jump; velocity field. 1. Introduction Radial (tainter) gates are among the most common features of water control structures in many irrigation networks overall the world. They are employed to regulate both water level and flow discharge in irrigation canals. Radial gates are preferred over vertical sluice gates for several advantages. They require smaller hoisting force, have easier operation, produce lower flow disturbance, and provide better discharge (Sehgal 1996). The flow through radial gates is classified as either free flowing or submerged depending upon the tailwater depth and ... Get more on HelpWriting.net ...
  • 62.
  • 63. Speed Or Tempo Research Paper Speed or Tempo: What is the difference? Michael Smith American Military University Speed or Tempo: What is the difference? Speed in terms of command and control is the ability to shorten the time needed to make key decisions, plans, coordinate as well as communicate. Whereas tempo is acting at the right time as well as acting the fastest or the earliest, the main importance between the two is speed is the ability to shorten the time between the decisions being made whereas tempo, is implementing the right timing on the battlefield. There is a large need to increase speed on the battlefield, whether it be speeding up operations or slowing the enemies speed. Now which one allows the other to be more effective? Tempo, tempo or the rhythm of the battle allows speed to be increased. In terms of intelligence and command and control, effective intelligence can be the make it or break it factor in terms of increasing the tempo. Now gaining speed and tempo in intelligence operations can be ... Show more content on Helpwriting.net ... Orient, Observe, Decide and Act, through this loop speed are essential, the ability to be faster than the enemy, to outthink and out maneuver, is a key on the battlefield that can decide victory or failure. One key example of this was in WWII with General George S. Patton, during the battle of the bulge he and his staff began preparing 3 separate plans as well as keeping their information flow open in case of a German attack which came. His ability to read the battlefield and the information being fed to him from his G–2 kept him well informed and gave him the ability to preempt the strike and counter the German attack. The other key point was the focus on intelligence from Gen. Patton, by using the CCIR's he had identified it sped the information flow as well allowed him to further visualize the ... Get more on HelpWriting.net ...
  • 64.
  • 65. Advantages And Disadvantages Of Arrays What is meant by array? An antenna is a system of similar antennas oriented similarly to get greater directivity in a desired direction. 2. What is meant by uniform linear array.? An array is linear when the elements of the array arespaced equally along the straight line. If the elements arefed with currents of equal magnitude and having a uniform Progressive phase shift along the line, then it is calleduniform linear array . 3. What are the types of array? a. Broad side array. b. End fire array c. Collinear array. d. Parasitic array. 4. What is Broad side array? Broad side array is defined as an arrangement inwhich the principal direction of radiation is perpendicularto the array axis and also the plane containing ... Show more content on Helpwriting.net ... Tapering is done fromcenter to end. 19.What is a binomial array? It is an array in which the amplitudes of theantenna elements in the array are arranged according to thecoefficients of the binomial series. 20.What are the advantages of binomial array? Advantage: No minor lobes Disadvantages: Increased beam width Maintaining the large ratio of current amplitude in large arrays is difficult 21. What is the difference between isotropic and nonisotropicsource Isotropic source radiates energy in alldirections but non–isotropic source radiates energy only in some desired direction. Isotropic source is not physically realizablebut non–isotropic source is physically realizable. 22.Define Side Lobe Ratio Side Lobe Ratio is defined as the ratio ofpower density in the principal
  • 66. or main lobe to the powerdensity of the longest minor lobe. 23. List the arrays used for array tapering Binomial Array:Tapering follows thecoefficient of binomial ... Get more on HelpWriting.net ...
  • 67.
  • 68. All the Mathematics You Missed but Need to Know for... All the Mathematics You Missed Beginning graduate students in mathematics and other quantitative subjects are expected to have a daunting breadth of mathematical knowledge, but few have such a background. This book will help students see the broad outline of mathematics and to fill in the gaps in their knowledge. The author explains the basic points and a few key results of the most important undergraduate topics in mathematics, emphasizing the intuitions behind the subject. The topics include linear algebra, vector calculus, differential geometry, real analysis, point–set topology, differential equations, probability theory, complex analysis, abstract algebra, and more. An annotated bibliography offers a guide to further reading and ... Show more content on Helpwriting.net ... . . . . 2 and J Real Analysis 2.1 Limits . . . . . 2.2 Continuity... 2.3 Differentiation 2.4 Integration .. 2.5 The Fundamental Theorem of Calculus. 2.6 Pointwise Convergence of Functions 2.7 Uniform Convergence . 2.8 The Weierstrass M–Test 2.9 Weierstrass ' Example. 2.10 Books .. 2.11 Exercises . E 20 21 21 23 23 25 26 28 31 35 36 38 40 43 44 47 47 3 Calculus for Vector–Valued Functions 3.1 Vector–Valued Functions . . . 3.2 Limits and Continuity . . . . . 3.3 Differentiation and Jacobians . 3.4 The Inverse Function Theorem 3.5 Implicit Function Theorem 3.6 Books .. 3.7 Exercises . . . . Point Set Topology 4.1 Basic Definitions . 4.2 The Standard Topology on R n 4.3 Metric Spaces . . . . . . . . . . 4.4 Bases for Topologies . . . . . . 4.5 Zariski Topology of Commutative Rings 4.6 Books .. 4.7 Exercises . Classical Stokes ' Theorems 5.1 Preliminaries about Vector Calculus 5.1.1 Vector Fields . 5.1.2 Manifolds and Boundaries. 5.1.3 Path Integrals .. 5.1.4 Surface Integrals 5.1.5 The Gradient .. 5.1.6 The Divergence. 49
  • 69. 50 53 56 60 60 63 63 66 72 73 75 77 78 81 82 82 4 5 84 87 91 93 93 CONTENTS 5.1.7 The Curl . 5.1.8 Orientability . 5.2 The Divergence Theorem and Stokes ' Theorem 5.3 Physical Interpretation of Divergence Thm. . 5.4 A Physical Interpretation of Stokes ' Theorem 5.5 Proof of the Divergence Theorem . . . 5.6 Sketch of a Proof for Stokes ' Theorem 5.7 Books .. 5.8 Exercises . 6 Differential Forms and Stokes ' ... Get more on HelpWriting.net ...
  • 70.
  • 71. Qwertyui Methods for Convex and General Quadratic Programming∗ Philip E. Gill† Elizabeth Wong† UCSD Department of Mathematics Technical Report NA–10–01 September 2010 Abstract Computational methods are considered for finding a point that satisfies the secondorder necessary conditions for a general (possibly nonconvex) quadratic program (QP). The first part of the paper defines a framework for the formulation and analysis of feasible–point active–set methods for QP. This framework defines a class of methods in which a primal–dual search pair is the solution of an equality–constrained subproblem involving a "working set" of linearly independent constraints. This framework is discussed in the context of two broad classes of active–set method for ... Show more content on Helpwriting.net ... This reformulation gives the primal–dual search pair as the solution of a KKT–system formed from the QP Hessian and the working–set constraint gradients. It is shown that, under certain circumstances, the solution of this KKT–system may be updated using a simple recurrence relation, thereby giving a significant reduction in the number of KKT systems that need to be solved. The linear constraints of a QP may include an arbitrary mixture of equality and inequality constraints, where the inequality constraints may be subject to lower and/or upper bounds. Many mathematically equivalent formulations of the constraints are possible, and the choice of formulation often depends on the context. We consider the generic quadratic program minimize n x∈R 1 ϕ(x) = cTx + 2 xTHx subject to Ax = b, Dx ≥ f, (1.1) where A, b, c, D, f and H are constant, H is symmetric, A is m × n, and D is mD × n. (In order to simplify the notation, it is assumed that the inequalities involve only lower bounds.) However, the methods to be described can be generalized to treat all forms of linear constraints. No assumptions are made about H (other than symmetry), which implies that the objective ϕ(x) need not be convex. In the nonconvex case, however, convergence will be to local minimizers only. In Section 4, the nonbinding direction method is extended to problems ... Get more on HelpWriting.net ...
  • 72.
  • 73. Description Of The Reference Voltage Vector Referring to Fig. 1(ii), consider in region II, the reference voltage vector is following the arc x1x2 at a particular modulation index m. The position of the reference voltage vector is shown in Table 1. It shows that, depending on modulation index value, the duration of stay within subsector 1 and subsector 2 changes. Similarly, consider in region III, the reference voltage vector is following the arc y1y2 at aparticular modulation index. The position of the reference voltage vector is shown in Table 1 and it shows that depending on the modulation index value, the duration of stay within subsector 2,3 and 4 changes. Table 1: Duration of stay in subsectors Region Duration of stay in subsectors Angle information II Subsector 1 0≤θ≤θ_R2 θ_R2= sin^(–1)⁡ ((1–√(12m^2–3))/4m) Subsector 2 θ_R2≤θ≤π⁄3–θ_R2 Subsector 1 π⁄3–θ_R2≤θ≤π⁄3 III Subsector 3 0≤θ≤θ_R3 θ_R3= sin^(–1)⁡ ((√(12m^2–3)–1)/4m) Subsector 2 θ_R3≤θ≤π⁄3–θ_R3 Subsector 4 π⁄3–θ_R3≤θ≤π⁄3 As the reference voltage vector is formed using discrete switching vectors, the operating voltage vector does not follow the reference trajectory []. The deviations between applied switching vector and reference voltage vector results in the ripple in the output current waveform. For any switching instance, the instanteneous current ripple due to application of ith switching vector (i.e. application corresponding voltage vector Vi) can be written as (d(ΔI) ⃗)/dt= 1/L⌊□((V_i ) ⃗ )–(V_ref ) ⃗⌋ (1) Thus, the trajectory of ... Get more on HelpWriting.net ...
  • 74.
  • 75. Competency 209 Week 1 Assignment 1: Linear Algebra Task #1: Linear Algebra Competency 209.8.5: Linear Transformations 209.8.6: Matrices Jennifer Moore Western Governor's University Part A: The rotation matrix is "a matrix, which moves a body as a rigid unit without altering its internal geometry" (Turkenburg). The work below shows a rotation matrix that is different from the Identity Matrix, I. Work Justification The rotation matrix Substitute a theta that will not result in the identity matrix . Calculate sin and cos for this theta and the final matrix to the left is the 2x2 matrix A. Matrix A is not the identity matrix. To determine the location of point (3,2) when rotated using matrix A, matrix multiplication must be applied. The work below shows ... Show more content on Helpwriting.net ... Once the values of the determinant are assigned, then solve for x. This will give you the fourth entry. The fourth entry of this matrix is 1, which since matrix B was used it should have been 1. Part C: According to Theorem 4, a 2x2 matrix A, , is considered invertible the determinant, which is , does not equal zero (Lay, 2015). The work below shows that matrix M is invertible by having a nonzero determinant. Work Justification This is the given matrix M. Since matrix M has a nonzero determinant, this matrix is invertible. Theorem 4 also states that if the determinant does not equal zero is true, then (Lay, 2015). The work below shows that matrix M is invertible by computing the inverse using the inverse formula for 2x2 matrices above. Work Justification The given matrix Using the inverse formula for 2x2 matrices, the inverse of the matrix M is . Two matrices are row equivalent if one matrix can be changed to the other matrix by a sequence of elementary row operations. Theorem 8, The Invertible Matrix Theorem, part b says, "A row is equivalent to the nxn identity matrix" (Lay, 2015). The work below shows the matrix M is row equivalent to the identity matrix. Work
  • 76. ... Get more on HelpWriting.net ...
  • 77.
  • 78. The History Of Sytech And Gene Therapy All you need to know about Gene therapy Sytech– Curing the future The history of SyTech and Gene therapy Gene therapy was introduced in 1985 by SyTech and has been the main priority of the company ever since due to its promising future in science. One of the first human gene therapy procedures involved injecting the correct ADA gene to a four year old girl with the ADA deficiency. Due to the success of the procedure, the patient is now living a healthy life. The success marked an important landmark in human history, one that has the potential to change the future. What is gene therapy? In short, gene therapy is a method in which DNA Is used to fix a genetic problem. These problems can include missing or genes that don't work. The right genes are delivered to the cell via harmless viruses for their provirus properties. The viruses then insert the good copy of the gene into the patients DNA where the cells machinery reads the information like a manual and makes RNA proteins so when it divides, ideally, the problem will be fixed. There are two types f gene therapy: Germline (targets egg/sperm cells; stops disease in its tracks) and somatic (targets somatic cells; after the disease is active).The methods for gene therapy that are being tested include: Replacing the non working copy of a gene with a healthier one Bringing new genes entirely for those that don't exist Bring a new gene to fight/fix the disease. Obstacles to overcome: SyTech is one of the only companies ... Get more on HelpWriting.net ...
  • 79.
  • 80. Steps For The Processing Of The Data Essay This provides an overview of the steps that were used for the processing of the data. In general all of the processes were executed using batch macros in ImageJ and the resulting files were saved at each step. 1. Import the movie file into ImageJ. 2. Bin images by 4x (Image > Adjust Size > 512 x 512 > Average when downsizing > Interpolation: Bilinear). Based on the results from a parallel study, this improves the tracking of rapidly moving mitochondria. 3. StackReg each 50 frame movie (Plugins > Registration > StackReg > Transformation: Rigid Body) to correct for stage drift. 4. Stretch images by 2 on the time axis (Plugins > Transform > TransformJ > Scale > x–factor for scaling: 1, y–factor for scaling: 1 z–factor for scaling: 2 > Interpolation scheme: quintic B–spline). Based on a separate analysis, this also improves the tracking of rapidly moving mitochondria. 5. Determine the optimal values for the FlowJ plugin. Crop out a small section of a movie that has the motion of interest and is representative of the data set. Directly measure the motion of interest using a kymograph or other trusted approach to establish "ground truth" flow. As an additional control, it may be helpful to construct a parallel movie where the motion of interest is absent. Set Σs = 2 and Σt =2, systematically vary τ and Σw and produce x y flow maps. First examine how the output varies as a function of Σw. Pick the smallest value that generates a clear flow field for the moving object, then for ... Get more on HelpWriting.net ...
  • 81.
  • 82. Essay About Food Bank 1. With all respect, I appreciate and I am thankful the YCFB because they have helped me a lot by giving the food pantry every month. 2. I am Ramona Nelson, with this economy, I don't have enough to pay my bills. 3. We come to the YCFB for the necessity. Food is more expensive every day, and we can buy very few, but it is not enough. With the blessings of God and the YCFB, we make the food to last for month. Thank you, and I hope God keep blessing you. 4. I am thankful with the YCFB for the help, I am currently not working and I am sick. I hope to keep receiving this help. Thank you. 5. We come to the YCFB because we are a family of 5, and we do not have enough food for the whole month. Thank you for helping us. 6. Hi, I come to the YCFB ... Show more content on Helpwriting.net ... The food bank provides a friendly service. My dependents and I are very happy with the free help we receive. I hope God gives more to the food bank, and to the people who need it. 65. I am thankful with the food bank because it helps me with food when I need it the most. Thank you for helping many people who need it. God bless you. 66. I like the food that I receive in the food bank, even though is little. 67. I come to the food bank because I am in need, I have children and I do not have enough to feed them. With the help that I receive, I try to get ahead in life. Thank you for the help for every month. 68. Hi, I am single mother of three kids. I am thankful to all the people who donate and help us. 67. There are difficult moments in life, like not having food at home. This program makes a difference in many households, and bring happiness to families with necessities. Your help is worth it a lot, thank you. 70. I come here because when there is no food at home, I feel sad. I think about my wife, what is she going to eat. Sometimes we ran out of money and we cannot buy food, and I think fast, the Food Bank is an organization that do not discriminate any race, and religion. I come to the food bank when I am hungry, thank you to all of those who donate. God bless all of ... Get more on HelpWriting.net ...