Sources:
Visual - various maths sites (credits to original creator)
Questions - Dong Zong's Textbook
suitable for SUEC (Maths), SPM (Maths and Add Maths) too
2018 Geometri Transformasi Perkalian 5 Isometri Kelompok 8 Rombel 3Yosia Adi Setiawan
This document summarizes the steps to draw the shadow of a triangle under five isometric transformations. It begins by stating the given information: a triangle ΔUVW and the transformations (S B)(R A,φ1)(G KL)(G PQ. Mt)(MS). It then shows each step of applying the transformations to arrive at the final transformed triangle R M,φ9(ΔUVW). The proof is done indirectly by relating the angles and lines created at each step. Diagrams are provided to illustrate the transformations.
This document discusses different types of equations that can be reduced to quadratic form. It provides examples of each type:
1) Equations of the form ax4 - bx2 + c = 0 can be reduced to quadratic by substituting x2 = y.
2) Equations containing terms like apx + b/px can be reduced by substituting the x terms as y.
3) Reciprocal equations of the form ax2 + 1/x2 + bx + 1/x + c = 0 are reduced by substituting x - 1/x = y.
4) Exponential equations can be reduced by substituting a variable for the exponential term.
5) Equations
This document contains an individual mathematics exercise analyzing sequences and their limits. It includes 4 problems: 1) writing the first five terms of sequences given by various formulas, 2) determining the formula for the nth term based on the first few terms of various sequences, 3) listing the first five terms of inductively defined sequences, and 4) proving that the limit of b^n as n approaches infinity is 0 for any real number b. The solutions provide the step-by-step work and reasoning for each part of the exercise.
sifat - sifat logaritma yang sering kita pelajari terkadang hanya sekedar kita hafalkan saja tanpa mengetahui dari mana sifat tersebut berasal berikut saya sajikan slide dalam pembuktian masing2 sifat logaritma,.. untuk penjelasannya kalian dapat menyaksikan video di youtube...
untuk penjelasan dari slide share ini dapat kalian simak videonya pada link berikut :
https://youtu.be/JSU5gWgnrDU
The document analyzes linear transformations in R2 and R3. It determines whether three given functions define linear transformations based on whether they satisfy the property T(αu + βv) = αT(u) + βT(v).
The first function f(x,y) = (3x - y, x + y) is determined to define a linear transformation in R2 since it satisfies the property.
The second function f(x,y,z) = (x,y,z2) is determined not to define a linear transformation in R3 since z2 is not a linear term.
The third function f(x,y,z) = (x +
If X and Y are independent and integrable random variables, then X*Y is also an integrable random variable and EX*Y = EX * EY. This is demonstrated by writing X and Y as sums of simple random variables over disjoint events Ai and Bj respectively. The independence of X and Y implies the independence of these events. Therefore, the probability of their intersection is the product of their probabilities and EX*Y can be written as the product of EX and EY.
Penjelasan Integral Lipat dua dan Penerapan pada momen inersiabisma samudra
1. The document discusses double integrals and their application to moments of inertia. It explains how to calculate the volume under a surface using double integrals as the limit of Riemann sums as the number of partitions goes to infinity.
2. It also discusses how double integrals can be evaluated by changing the order of integration, and some properties of double integrals like linearity.
3. Examples are given of calculating double integrals to find volumes and moments of inertia, like finding the moment of inertia of a rod about its center of mass.
2018 Geometri Transformasi Perkalian 5 Isometri Kelompok 8 Rombel 3Yosia Adi Setiawan
This document summarizes the steps to draw the shadow of a triangle under five isometric transformations. It begins by stating the given information: a triangle ΔUVW and the transformations (S B)(R A,φ1)(G KL)(G PQ. Mt)(MS). It then shows each step of applying the transformations to arrive at the final transformed triangle R M,φ9(ΔUVW). The proof is done indirectly by relating the angles and lines created at each step. Diagrams are provided to illustrate the transformations.
This document discusses different types of equations that can be reduced to quadratic form. It provides examples of each type:
1) Equations of the form ax4 - bx2 + c = 0 can be reduced to quadratic by substituting x2 = y.
2) Equations containing terms like apx + b/px can be reduced by substituting the x terms as y.
3) Reciprocal equations of the form ax2 + 1/x2 + bx + 1/x + c = 0 are reduced by substituting x - 1/x = y.
4) Exponential equations can be reduced by substituting a variable for the exponential term.
5) Equations
This document contains an individual mathematics exercise analyzing sequences and their limits. It includes 4 problems: 1) writing the first five terms of sequences given by various formulas, 2) determining the formula for the nth term based on the first few terms of various sequences, 3) listing the first five terms of inductively defined sequences, and 4) proving that the limit of b^n as n approaches infinity is 0 for any real number b. The solutions provide the step-by-step work and reasoning for each part of the exercise.
sifat - sifat logaritma yang sering kita pelajari terkadang hanya sekedar kita hafalkan saja tanpa mengetahui dari mana sifat tersebut berasal berikut saya sajikan slide dalam pembuktian masing2 sifat logaritma,.. untuk penjelasannya kalian dapat menyaksikan video di youtube...
untuk penjelasan dari slide share ini dapat kalian simak videonya pada link berikut :
https://youtu.be/JSU5gWgnrDU
The document analyzes linear transformations in R2 and R3. It determines whether three given functions define linear transformations based on whether they satisfy the property T(αu + βv) = αT(u) + βT(v).
The first function f(x,y) = (3x - y, x + y) is determined to define a linear transformation in R2 since it satisfies the property.
The second function f(x,y,z) = (x,y,z2) is determined not to define a linear transformation in R3 since z2 is not a linear term.
The third function f(x,y,z) = (x +
If X and Y are independent and integrable random variables, then X*Y is also an integrable random variable and EX*Y = EX * EY. This is demonstrated by writing X and Y as sums of simple random variables over disjoint events Ai and Bj respectively. The independence of X and Y implies the independence of these events. Therefore, the probability of their intersection is the product of their probabilities and EX*Y can be written as the product of EX and EY.
Penjelasan Integral Lipat dua dan Penerapan pada momen inersiabisma samudra
1. The document discusses double integrals and their application to moments of inertia. It explains how to calculate the volume under a surface using double integrals as the limit of Riemann sums as the number of partitions goes to infinity.
2. It also discusses how double integrals can be evaluated by changing the order of integration, and some properties of double integrals like linearity.
3. Examples are given of calculating double integrals to find volumes and moments of inertia, like finding the moment of inertia of a rod about its center of mass.
A Mathematical Model for the Enhancement of Stress Induced Hypoglycaemia by A...IJRES Journal
The normal distribution is a very commonly occurring continuous probability distribution. In this paper the Multivariate Normal distribution is used for finding the mgf of the curve for the enhancement of stress induced Hypoglycaemia with consideration of the variablesProlactin, ACTH, Growth Hormone, Blood Pressure, Plasma Glucose, Plasma Renin, Epinephrine, Cortisol. These variables are treated with the drugs (citalopram and tianeptine) and the joint moment generating function for the variables in Citalopram, Tianeptineand Placebo casesare found out and are given as curves in the Mathematical Results
This document discusses differentiation and integration (antidifferentiation). It provides:
1) An example of differentiating and then integrating (antidifferentiating) a function to reverse the process.
2) The definition that integration is the reversing of differentiation, known as antidifferentiation or indefinite integration.
3) Several formulas for integrating common functions like polynomials, trigonometric, exponential, and logarithmic functions.
- The document discusses numerical methods for solving first order differential equations, namely Picard's method and Euler's method.
- Picard's method involves iteratively replacing y with the previous approximation in the differential equation to obtain better approximations that converge to the solution.
- Euler's method approximates the solution at the next point by the current value plus the rate of change times the change in x. This provides a first order approximation to the solution.
Least Square Plane and Leastsquare Quadric Surface Approximation by Using Mod...IOSRJM
Now a days Surface fitting is applied all engineering and medical fields. Kamron Saniee ,2007 find a simple expression for multivariate LaGrange’s Interpolation. We derive a least square plane and least square quadric surface Approximation from a given N+1 tabular points when the function is unique. We used least square method technique. We can apply this method in surface fitting also.
1. Statistical efficiency compares two unbiased estimators by calculating their relative variance. The estimator with the lower variance is more efficient.
2. The Cramer-Rao inequality provides a lower bound (CRLB) for the variance of an unbiased estimator. It states that the variance of an estimator must be greater than or equal to the inverse of the expected information.
3. An estimator that achieves the Cramer-Rao lower bound is considered statistically efficient, as its variance reaches the theoretical minimum. In the example given, the maximum likelihood estimator of the mean of a normal distribution is shown to be efficient.
For more instructional resources, CLICK me here and DON'T FORGET TO SUBSCRIBE!
https://tinyurl.com/y9muob6q
LIKE and FOLLOW me here!
https://tinyurl.com/ycjp8r7u
https://tinyurl.com/ybo27k2u
References:
Oronce, O. A., Mendoza, M.O. (2018), Grade 8 Mathematics: Exploring Math. Rex Publishing, Manila, Philippines.
Nivera, G. C. (2013), Grade 8 Mathematics: Pattern and Practicalities. Don Bosco Press Inc. Makati City, Philippines.
This document discusses geometric sequences and geometric means. It defines a geometric sequence as a sequence where each term after the first is the product of the preceding term and a fixed number called the common ratio. It provides the formula for calculating the nth term and the sum of the first n terms of a geometric sequence. The terms between the first and last term of a geometric sequence are called the geometric means. It includes sample problems demonstrating how to find specific terms, the common ratio, the first term, geometric means, and the sum of terms for various geometric sequences.
How do you calculate the particular integral of linear differential equations?
Learn this and much more by watching this video. Here, we learn how the inverse differential operator is used to find the particular integral of trigonometric, exponential, polynomial and inverse hyperbolic functions. Problems are explained with the relevant formulae.
This is useful for graduate students and engineering students learning Mathematics. For more videos, visit my page
https://www.mathmadeeasy.co/about-4
Subscribe to my channel for more videos.
- The document discusses new special functions K_n(x) defined in terms of Legendre polynomials P_n(x).
- Recurrence relations and differential equations for the new functions K_n(x) are derived.
- Properties of Legendre polynomials such as the generating function and orthogonality are used to derive relationships between the K_n(x) functions.
This document discusses applications of partial differential equations, specifically looking at the effects of convective conditions on radiative peristaltic flow of pseudoplastic nanofluid through a porous medium. It presents governing equations for the problem, including equations for stress, momentum, heat transfer and stream functions. It then uses perturbation methods and binomial expansion to simplify the equations for a small pseudoplastic fluid parameter.
1. This document discusses methods for solving first-order linear differential equations. It defines a first-order linear differential equation as one of the form y'+py=f(x).
2. It provides examples of solving homogeneous and non-homogeneous first-order linear differential equations. The general solutions are presented as y=Ce^-px + particular solutions.
3. Bernoulli differential equations of the form y'+py=f(x)y^n, n≠1 are introduced, which can be transformed into a first-order linear equation using a substitution. An example of solving a Bernoulli equation is shown.
The document discusses linear equations of the first degree. It defines equality and equations, and explains that an equation can have one or more variables that must be solved for. Solving an equation involves finding the value of the variable. The document provides examples of solving linear equations, including showing the steps of performing operations, transposing terms, reducing like terms, and isolating the variable. It also introduces representing linear equations graphically, where linear equations can be written in the form mx + b = 0 and graphed as a line. Examples of graphing specific linear equations are included.
Methods of integration, integration of rational algebraic functions, integration of irrational algebraic functions, definite integrals, properties of definite integral, integration by parts, Bernoulli's theorem, reduction formula
Lesson 13: Midpoint and Distance FormulasKevin Johnson
This document discusses midpoint and distance formulas for finding the midpoint and distance between points on a number line and in the coordinate plane. It provides examples of using the midpoint formula to find the midpoint between two points on a number line and in the plane. It also provides examples of using the distance formula to find the distance between two points on a number line and in the plane, which involves using the Pythagorean theorem to calculate the legs of a right triangle formed by the points.
The document discusses the definite integral and its applications. It defines the fundamental theorem of calculus, which relates the definite integral of a function to the derivative of its anti-derivative. It then provides examples of using the theorem to find derivatives of functions defined by integrals, as well as examples of using the definite integral to find the area under curves over an interval.
This document discusses different types of angles and their relationships. It defines vertical angles as having equal measures and being congruent. Corresponding angles are also defined as having equal measures and being congruent. Examples of different angle measures are provided. The document concludes by instructing the reader to practice identifying angle relationships using examples on a specific page.
The document discusses integration and the definition of the definite integral. It provides 30 rules of integration involving trigonometric, logarithmic, exponential and other common functions. It also briefly discusses integration by substitution and defines the process of making a u-substitution to evaluate integrals that can be written in a particular form.
The document contains mathematical expressions including:
1) The Taylor series expansion for the exponential function e^x;
2) Trigonometric identities for sums of cosines;
3) The Fourier series representation of a function f(x).
Sources:
Visual - various maths sites (credits to original creator)
Questions - Dong Zong's Textbook
suitable for SUEC (Maths), SPM (Maths and Add Maths) too
The document contains mathematical expressions and equations from various pages involving variables α, β, a, b, c. Some key points summarized:
Page 27: Equation for m equals 27/3 which equals 9.
Page 59: Several equations involving α, β, a=-2, b=7, c=-4 are shown.
Page 60: Equations set α=1, β=2 to solve a quadratic equation.
Page 63: Several quadratic equations are presented with solutions.
The document contains examples of rationalizing denominators by multiplying the irrational terms by their rationalizing factors to obtain rational numbers. It also contains examples of simplifying surd expressions using factoring and the properties of surds. Examples include rationalizing √3/3 and √5/5, as well as simplifying expressions like (√3 + √5)/(√3 - √5) and (x + y + 2xy)/(x - y). The document provides step-by-step workings for solving quadratic equations with surd terms and irrational equations.
A Mathematical Model for the Enhancement of Stress Induced Hypoglycaemia by A...IJRES Journal
The normal distribution is a very commonly occurring continuous probability distribution. In this paper the Multivariate Normal distribution is used for finding the mgf of the curve for the enhancement of stress induced Hypoglycaemia with consideration of the variablesProlactin, ACTH, Growth Hormone, Blood Pressure, Plasma Glucose, Plasma Renin, Epinephrine, Cortisol. These variables are treated with the drugs (citalopram and tianeptine) and the joint moment generating function for the variables in Citalopram, Tianeptineand Placebo casesare found out and are given as curves in the Mathematical Results
This document discusses differentiation and integration (antidifferentiation). It provides:
1) An example of differentiating and then integrating (antidifferentiating) a function to reverse the process.
2) The definition that integration is the reversing of differentiation, known as antidifferentiation or indefinite integration.
3) Several formulas for integrating common functions like polynomials, trigonometric, exponential, and logarithmic functions.
- The document discusses numerical methods for solving first order differential equations, namely Picard's method and Euler's method.
- Picard's method involves iteratively replacing y with the previous approximation in the differential equation to obtain better approximations that converge to the solution.
- Euler's method approximates the solution at the next point by the current value plus the rate of change times the change in x. This provides a first order approximation to the solution.
Least Square Plane and Leastsquare Quadric Surface Approximation by Using Mod...IOSRJM
Now a days Surface fitting is applied all engineering and medical fields. Kamron Saniee ,2007 find a simple expression for multivariate LaGrange’s Interpolation. We derive a least square plane and least square quadric surface Approximation from a given N+1 tabular points when the function is unique. We used least square method technique. We can apply this method in surface fitting also.
1. Statistical efficiency compares two unbiased estimators by calculating their relative variance. The estimator with the lower variance is more efficient.
2. The Cramer-Rao inequality provides a lower bound (CRLB) for the variance of an unbiased estimator. It states that the variance of an estimator must be greater than or equal to the inverse of the expected information.
3. An estimator that achieves the Cramer-Rao lower bound is considered statistically efficient, as its variance reaches the theoretical minimum. In the example given, the maximum likelihood estimator of the mean of a normal distribution is shown to be efficient.
For more instructional resources, CLICK me here and DON'T FORGET TO SUBSCRIBE!
https://tinyurl.com/y9muob6q
LIKE and FOLLOW me here!
https://tinyurl.com/ycjp8r7u
https://tinyurl.com/ybo27k2u
References:
Oronce, O. A., Mendoza, M.O. (2018), Grade 8 Mathematics: Exploring Math. Rex Publishing, Manila, Philippines.
Nivera, G. C. (2013), Grade 8 Mathematics: Pattern and Practicalities. Don Bosco Press Inc. Makati City, Philippines.
This document discusses geometric sequences and geometric means. It defines a geometric sequence as a sequence where each term after the first is the product of the preceding term and a fixed number called the common ratio. It provides the formula for calculating the nth term and the sum of the first n terms of a geometric sequence. The terms between the first and last term of a geometric sequence are called the geometric means. It includes sample problems demonstrating how to find specific terms, the common ratio, the first term, geometric means, and the sum of terms for various geometric sequences.
How do you calculate the particular integral of linear differential equations?
Learn this and much more by watching this video. Here, we learn how the inverse differential operator is used to find the particular integral of trigonometric, exponential, polynomial and inverse hyperbolic functions. Problems are explained with the relevant formulae.
This is useful for graduate students and engineering students learning Mathematics. For more videos, visit my page
https://www.mathmadeeasy.co/about-4
Subscribe to my channel for more videos.
- The document discusses new special functions K_n(x) defined in terms of Legendre polynomials P_n(x).
- Recurrence relations and differential equations for the new functions K_n(x) are derived.
- Properties of Legendre polynomials such as the generating function and orthogonality are used to derive relationships between the K_n(x) functions.
This document discusses applications of partial differential equations, specifically looking at the effects of convective conditions on radiative peristaltic flow of pseudoplastic nanofluid through a porous medium. It presents governing equations for the problem, including equations for stress, momentum, heat transfer and stream functions. It then uses perturbation methods and binomial expansion to simplify the equations for a small pseudoplastic fluid parameter.
1. This document discusses methods for solving first-order linear differential equations. It defines a first-order linear differential equation as one of the form y'+py=f(x).
2. It provides examples of solving homogeneous and non-homogeneous first-order linear differential equations. The general solutions are presented as y=Ce^-px + particular solutions.
3. Bernoulli differential equations of the form y'+py=f(x)y^n, n≠1 are introduced, which can be transformed into a first-order linear equation using a substitution. An example of solving a Bernoulli equation is shown.
The document discusses linear equations of the first degree. It defines equality and equations, and explains that an equation can have one or more variables that must be solved for. Solving an equation involves finding the value of the variable. The document provides examples of solving linear equations, including showing the steps of performing operations, transposing terms, reducing like terms, and isolating the variable. It also introduces representing linear equations graphically, where linear equations can be written in the form mx + b = 0 and graphed as a line. Examples of graphing specific linear equations are included.
Methods of integration, integration of rational algebraic functions, integration of irrational algebraic functions, definite integrals, properties of definite integral, integration by parts, Bernoulli's theorem, reduction formula
Lesson 13: Midpoint and Distance FormulasKevin Johnson
This document discusses midpoint and distance formulas for finding the midpoint and distance between points on a number line and in the coordinate plane. It provides examples of using the midpoint formula to find the midpoint between two points on a number line and in the plane. It also provides examples of using the distance formula to find the distance between two points on a number line and in the plane, which involves using the Pythagorean theorem to calculate the legs of a right triangle formed by the points.
The document discusses the definite integral and its applications. It defines the fundamental theorem of calculus, which relates the definite integral of a function to the derivative of its anti-derivative. It then provides examples of using the theorem to find derivatives of functions defined by integrals, as well as examples of using the definite integral to find the area under curves over an interval.
This document discusses different types of angles and their relationships. It defines vertical angles as having equal measures and being congruent. Corresponding angles are also defined as having equal measures and being congruent. Examples of different angle measures are provided. The document concludes by instructing the reader to practice identifying angle relationships using examples on a specific page.
The document discusses integration and the definition of the definite integral. It provides 30 rules of integration involving trigonometric, logarithmic, exponential and other common functions. It also briefly discusses integration by substitution and defines the process of making a u-substitution to evaluate integrals that can be written in a particular form.
The document contains mathematical expressions including:
1) The Taylor series expansion for the exponential function e^x;
2) Trigonometric identities for sums of cosines;
3) The Fourier series representation of a function f(x).
Sources:
Visual - various maths sites (credits to original creator)
Questions - Dong Zong's Textbook
suitable for SUEC (Maths), SPM (Maths and Add Maths) too
The document contains mathematical expressions and equations from various pages involving variables α, β, a, b, c. Some key points summarized:
Page 27: Equation for m equals 27/3 which equals 9.
Page 59: Several equations involving α, β, a=-2, b=7, c=-4 are shown.
Page 60: Equations set α=1, β=2 to solve a quadratic equation.
Page 63: Several quadratic equations are presented with solutions.
The document contains examples of rationalizing denominators by multiplying the irrational terms by their rationalizing factors to obtain rational numbers. It also contains examples of simplifying surd expressions using factoring and the properties of surds. Examples include rationalizing √3/3 and √5/5, as well as simplifying expressions like (√3 + √5)/(√3 - √5) and (x + y + 2xy)/(x - y). The document provides step-by-step workings for solving quadratic equations with surd terms and irrational equations.
SUEC 高中 Adv Maths (Biquadratic Equation, Method of Changing the Variable, Rec...tungwc
The document contains examples of solving various types of polynomial equations, including biquadratic, reciprocal, and other equations. Methods shown include changing variables, factoring, and using the quadratic formula. Equations are solved to find real or complex roots. Step-by-step workings are shown for each example.
Sources:
Visual - various maths sites (credits to original creator)
Questions - Dong Zong's Textbook
suitable for SUEC (Maths), SPM (Maths and Add Maths) too
Theory of Relativity
Maybe travelling in time is an interesting topic. Also the idea of the flow of time at high speeds is a difficult idea to understand. But did you know that in 1905, someone dared to think differently. He is Albert Einstein. Questions such as, what will you see if you are moving at the speed of light? Well, it is argued that light speed is the maximum speed that is available in the entire universe. The speed of light was calculated by Maxwell using the equations of Electromagnetic wave.
c=√(1/(ε_o μ_o ))
We were able to understand that anything that has speed travels a certain distance in space in amount of time.
Einstein argued that measurements done on physically observable quantity must be uniform in all inertial reference frame. The problem is there is no such as universal reference frame. This gives rise to the assumption that everyone is moving relative to one another. This would give rise to another claim that is, “measurements taken from one reference frame, will be different from measurements taken from other frame of reference”. This argument is absurd because it will mean that laws of physics were different for different reference frames. The theory of relativity holds to the fact that the laws of physics were the same for all inertial reference frames.
This will be eminent when we apply the concept of the Doppler Effect to sound. We know that whenever the source of the sound moves with a velocity V_s, with respect to the observer there will be a change in the measured frequency. Furthermore there will be more measurements that can be made depending on the observer. So how do we determine the real frequency of the sound emitted by the source?
Another instance is when we are on board a plane with some velocity Vplane and we fire a bullet the relative velocity of the bullet on an stationary observer will be;
V=Vbullet+Vplane
Which is correct in Galilean transformation. Now what if we turn on the headlight of a plane? Would it mean that the speed of light will be the velocity of the plane + the speed of light? (v=c) ?. Absolutely not, because this will violate the premise that, “the speed of light is constant in a vacuum”.
Clearly from the two instances there must be a different formula that will unify measurements made on different reference frame. This method is called transformation.
So let us create two equation that will unify measurements in these two instances. The first instance is at the plane, the observer at the plane will have (x,y,z,t). and the observer from the earth will us the coordinates (x^',y^',z^',t^'). So which is it the spaceship is moving away from the earth or the earth is moving away from the spaceship. To fix this, we assume that the origin O and O^'coincide and are parallel to one another at all times. Further more we let t and t^' be equal that is t= t^'.
and more....
The "Instrumental Variables" webinar, presented by Peter Lance, was the fifth and final webinar in a series of discussions on the popular MEASURE Evaluation manual, How Do We Know If a Program Made a Difference? A Guide to Statistical Methods for Program Impact Evaluation.
This document discusses linear time-invariant (LTI) systems and their representation using Laplace transforms. It provides the definitions of the Laplace transform and inverse Laplace transform. It also defines the transfer function as the ratio of the Laplace transform of the output to the Laplace transform of the input. Properties of poles and zeros are discussed for characterizing an LTI system.
The document discusses inner products and their properties in linear algebra. It provides examples of dot products of vectors in R3 that satisfy the properties of an inner product and those that do not. Specifically, it shows that u1w1 + u2w2 + u3w3 and u1w1 + 2u2w2 + 3u3w3 satisfy the properties, while u1w1 + u2w2 - u3w3 does not always satisfy non-negativity. It also discusses other properties such as symmetry, homogeneity, additivity and positive definiteness.
This document provides an overview of sets and their basic concepts and operations. It defines what a set is as a collection of clearly defined objects or elements. It describes the common set operations of union, intersection, difference, and complement. It explains how to write sets using listing and set-builder notation. It also defines key set concepts like members, finite and infinite sets, and the empty set.
This webinar by Peter Lance considered impact evaluation estimation methods based on an identification strategy that assumes we can observe all factors that influence both program participation and the outcome of interest. It was the third webinar in a series of discussions on the popular MEASURE Evaluation manual, How Do We Know If a Program Made a Difference? A Guide to Statistical Methods for Program Impact Evaluation.
The document contains mathematical expressions and equations across multiple pages. Key elements include:
1. Expressions involving variables like x, y, a, b in forms such as x2, y3, a2b, etc.
2. Equations setting two mathematical expressions equal to each other, such as a2 - 1 = a2 - 1.
3. Operations involving exponents and roots applied to variables, like an, bn, x1/2, etc.
2.2 Special types of Correlation
2.3 Point Biserial Correlation rPB
2.3.1 Calculation of rPB
2.3.2 Significance Testing of rPB
2.4 Phi Coefficient (φ )
2.4.1 Significance Testing of phi (φ )
2.5 Biserial Correlation
2.6 Tetrachoric Correlation
2.7 Rank Order Correlations
2.7.1 Rank-order Data
2.7.2 Assumptions Underlying Pearson’s Correlation not Satisfied
2.8 Spearman’s Rank Order Correlation or Spearman’s rho (rs)
2.8.1 Null and Alternate Hypothesis
2.8.2 Numerical Example: for Untied and Tied Ranks
2.8.3 Spearman’s Rho with Tied Ranks
2.8.4 Steps for rS with Tied Ranks
2.8.5 Significance Testing of Spearman’s rho
2.9 Kendall’s Tau (ô)
2.9.1 Null and Alternative Hypothesis
2.9.2 Logic of Kendall’s Tau and Computation
2.9.3 Computational Alternative for Kendall’s Tau
2.9.4 Significance Testing for Kendall’s Tau
This document contains mathematical equations and calculations related to signal processing and dynamic systems. It includes equations for:
- The number of levels in a quantization system based on the number of bits
- The height of each quantization level
- Signal to noise ratio based on the number of bits
- The period and frequency of a signal based on its angular frequency
- A transfer function relating input and output of a spring-mass-damper system
- Finding natural frequency and damping ratio from the system transfer function
- Deriving discrete-time transfer functions from continuous transfer functions
Sources:
Visual - various maths sites (credits to original creator)
Questions - Dong Zong's Textbook
suitable for SUEC (Maths), SPM (Maths and Add Maths) too
Diapositiva de Estudio: SolPrac2Am4.pptxjorgejvc777
This document contains solutions to 4 practice problems involving differential equations.
The first problem involves solving the differential equation y''' - 6y'' = 3 - cos(x). The general solution is the sum of the complementary and particular solutions, where the complementary solution is C1e6x + C2e-6x + C3 and the particular solution is (1/7)sin(x) - (1/2)x.
The second problem involves solving the differential equation y'v - y'' = 4x + 2xe-x. The general solution is a sum of exponential and polynomial terms, along with (-2/3)x3 and (-1/2)x2 - (
Similar to SUEC 高中 Adv Maths (Quadratic Equation in One Variable) (20)
SPM BM K1 Bahagian A (Contoh Surat Aduan).pptxtungwc
Penduduk Taman Cengal membuat aduan tentang masalah kutipan sampah yang tidak berjadual dan tidak sempurna, menyebabkan timbunan sampah dan bau. Mereka meminta pihak berkuasa tempatan menguruskan kutipan sampah secara berjadual dan memberi maklum balas.
The document discusses random phenomena and probability. It defines a random phenomenon as one where individual outcomes are uncertain. It provides examples of sample spaces and sample points for events like goals in a game or coin flips. It also includes examples of calculating probabilities of certain outcomes occurring based on the sample space and equally likely outcomes, such as the probability of getting 3 heads in a row or having at least 1 head.
1. There are 6 math books and 5 language books on different shelves. The number of ways to choose 1 of each is 6 × 5 = 30.
2. There are 5 colors of tops and 4 colors of skirts. The total number of dress combinations is 5 × 4 = 20. There are 3 styles of shoes, so the total number of styles is 3.
3. The number of 3-digit numbers that can be formed without repeating digits is 100 × 99 × 98 = 9,702. The number of ways for 2 boys to sit in 5 chairs is 5 × 4 = 20.
(1) The document discusses finding equations of tangent lines to circles and the intersections of those tangent lines. It provides examples of finding the slopes and equations of tangent lines given the circle's center and a point on the circle.
(2) Methods are described for finding the angles between two tangent lines to a circle based on their slopes. Examples are given of solving systems of equations to find the points where tangent lines intersect.
(3) One example determines the equation of a circle given that it passes through two known points and is tangent to another circle at a third point.
This document contains mathematical equations and concepts related to geometry including:
- Equations of circles with given centers and radii
- Equations relating the distances between points on curves
- Systems of equations used to find intersection points of curves
- Distance ratios used to define loci and find their equations
SUEC 高中 Adv Maths (Earth as Sphere) (Part 2).pptxtungwc
The document contains calculations of distances between various geographic points using latitude and longitude coordinates. It includes the distances between points Q and A, which is 319.2 km, and the distance from a point at 42°N 33°27'E or 42°N 6°33'W to 40°N 33°47'E, which is calculated as 8,895.35 km or 4,800 nautical miles. It also contains a calculation using trigonometric functions that finds the distance between two points is 6,560 km or 3,540 nautical miles.
SUEC 高中 Adv Maths (Earth as Sphere) (Part 1).pptxtungwc
The document provides steps for calculating time differences and longitude differences between two locations:
1) Find the longitude difference between the two places.
2) Convert the longitude difference to time using 1 hour = 15 degrees.
3) Adjust the calculated time based on whether the longitude is East or West - add time if East, subtract if West.
This document contains calculations and solutions to trigonometry problems involving angles, sides of triangles, and distances. Various trigonometric functions are used to calculate unknown angles and distances. Measurements include distances between points, lengths of sides of triangles, angles of triangles, and distances between locations. The document demonstrates applying trigonometric concepts and relationships to solve for unknown values in different geometric scenarios and problems.
SUEC 高中 Adv Maths (Change of Base Rule).pptxtungwc
The document contains examples of solving various logarithmic and algebraic equations. It begins by solving equations involving logarithms such as logabc = loga bc - logb a ∙ logc a. It then solves equations involving logarithms of both sides being equal, leading to the determination that x = abc. Further examples include solving quadratic equations that arise from rewriting the original equations in terms of new variables, and determining the solutions for x in each case.
Strategies for Effective Upskilling is a presentation by Chinwendu Peace in a Your Skill Boost Masterclass organisation by the Excellence Foundation for South Sudan on 08th and 09th June 2024 from 1 PM to 3 PM on each day.
it describes the bony anatomy including the femoral head , acetabulum, labrum . also discusses the capsule , ligaments . muscle that act on the hip joint and the range of motion are outlined. factors affecting hip joint stability and weight transmission through the joint are summarized.
Walmart Business+ and Spark Good for Nonprofits.pdfTechSoup
"Learn about all the ways Walmart supports nonprofit organizations.
You will hear from Liz Willett, the Head of Nonprofits, and hear about what Walmart is doing to help nonprofits, including Walmart Business and Spark Good. Walmart Business+ is a new offer for nonprofits that offers discounts and also streamlines nonprofits order and expense tracking, saving time and money.
The webinar may also give some examples on how nonprofits can best leverage Walmart Business+.
The event will cover the following::
Walmart Business + (https://business.walmart.com/plus) is a new shopping experience for nonprofits, schools, and local business customers that connects an exclusive online shopping experience to stores. Benefits include free delivery and shipping, a 'Spend Analytics” feature, special discounts, deals and tax-exempt shopping.
Special TechSoup offer for a free 180 days membership, and up to $150 in discounts on eligible orders.
Spark Good (walmart.com/sparkgood) is a charitable platform that enables nonprofits to receive donations directly from customers and associates.
Answers about how you can do more with Walmart!"
This document provides an overview of wound healing, its functions, stages, mechanisms, factors affecting it, and complications.
A wound is a break in the integrity of the skin or tissues, which may be associated with disruption of the structure and function.
Healing is the body’s response to injury in an attempt to restore normal structure and functions.
Healing can occur in two ways: Regeneration and Repair
There are 4 phases of wound healing: hemostasis, inflammation, proliferation, and remodeling. This document also describes the mechanism of wound healing. Factors that affect healing include infection, uncontrolled diabetes, poor nutrition, age, anemia, the presence of foreign bodies, etc.
Complications of wound healing like infection, hyperpigmentation of scar, contractures, and keloid formation.
Beyond Degrees - Empowering the Workforce in the Context of Skills-First.pptxEduSkills OECD
Iván Bornacelly, Policy Analyst at the OECD Centre for Skills, OECD, presents at the webinar 'Tackling job market gaps with a skills-first approach' on 12 June 2024
Chapter wise All Notes of First year Basic Civil Engineering.pptxDenish Jangid
Chapter wise All Notes of First year Basic Civil Engineering
Syllabus
Chapter-1
Introduction to objective, scope and outcome the subject
Chapter 2
Introduction: Scope and Specialization of Civil Engineering, Role of civil Engineer in Society, Impact of infrastructural development on economy of country.
Chapter 3
Surveying: Object Principles & Types of Surveying; Site Plans, Plans & Maps; Scales & Unit of different Measurements.
Linear Measurements: Instruments used. Linear Measurement by Tape, Ranging out Survey Lines and overcoming Obstructions; Measurements on sloping ground; Tape corrections, conventional symbols. Angular Measurements: Instruments used; Introduction to Compass Surveying, Bearings and Longitude & Latitude of a Line, Introduction to total station.
Levelling: Instrument used Object of levelling, Methods of levelling in brief, and Contour maps.
Chapter 4
Buildings: Selection of site for Buildings, Layout of Building Plan, Types of buildings, Plinth area, carpet area, floor space index, Introduction to building byelaws, concept of sun light & ventilation. Components of Buildings & their functions, Basic concept of R.C.C., Introduction to types of foundation
Chapter 5
Transportation: Introduction to Transportation Engineering; Traffic and Road Safety: Types and Characteristics of Various Modes of Transportation; Various Road Traffic Signs, Causes of Accidents and Road Safety Measures.
Chapter 6
Environmental Engineering: Environmental Pollution, Environmental Acts and Regulations, Functional Concepts of Ecology, Basics of Species, Biodiversity, Ecosystem, Hydrological Cycle; Chemical Cycles: Carbon, Nitrogen & Phosphorus; Energy Flow in Ecosystems.
Water Pollution: Water Quality standards, Introduction to Treatment & Disposal of Waste Water. Reuse and Saving of Water, Rain Water Harvesting. Solid Waste Management: Classification of Solid Waste, Collection, Transportation and Disposal of Solid. Recycling of Solid Waste: Energy Recovery, Sanitary Landfill, On-Site Sanitation. Air & Noise Pollution: Primary and Secondary air pollutants, Harmful effects of Air Pollution, Control of Air Pollution. . Noise Pollution Harmful Effects of noise pollution, control of noise pollution, Global warming & Climate Change, Ozone depletion, Greenhouse effect
Text Books:
1. Palancharmy, Basic Civil Engineering, McGraw Hill publishers.
2. Satheesh Gopi, Basic Civil Engineering, Pearson Publishers.
3. Ketki Rangwala Dalal, Essentials of Civil Engineering, Charotar Publishing House.
4. BCP, Surveying volume 1
Gender and Mental Health - Counselling and Family Therapy Applications and In...PsychoTech Services
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LAND USE LAND COVER AND NDVI OF MIRZAPUR DISTRICT, UPRAHUL
This Dissertation explores the particular circumstances of Mirzapur, a region located in the
core of India. Mirzapur, with its varied terrains and abundant biodiversity, offers an optimal
environment for investigating the changes in vegetation cover dynamics. Our study utilizes
advanced technologies such as GIS (Geographic Information Systems) and Remote sensing to
analyze the transformations that have taken place over the course of a decade.
The complex relationship between human activities and the environment has been the focus
of extensive research and worry. As the global community grapples with swift urbanization,
population expansion, and economic progress, the effects on natural ecosystems are becoming
more evident. A crucial element of this impact is the alteration of vegetation cover, which plays a
significant role in maintaining the ecological equilibrium of our planet.Land serves as the foundation for all human activities and provides the necessary materials for
these activities. As the most crucial natural resource, its utilization by humans results in different
'Land uses,' which are determined by both human activities and the physical characteristics of the
land.
The utilization of land is impacted by human needs and environmental factors. In countries
like India, rapid population growth and the emphasis on extensive resource exploitation can lead
to significant land degradation, adversely affecting the region's land cover.
Therefore, human intervention has significantly influenced land use patterns over many
centuries, evolving its structure over time and space. In the present era, these changes have
accelerated due to factors such as agriculture and urbanization. Information regarding land use and
cover is essential for various planning and management tasks related to the Earth's surface,
providing crucial environmental data for scientific, resource management, policy purposes, and
diverse human activities.
Accurate understanding of land use and cover is imperative for the development planning
of any area. Consequently, a wide range of professionals, including earth system scientists, land
and water managers, and urban planners, are interested in obtaining data on land use and cover
changes, conversion trends, and other related patterns. The spatial dimensions of land use and
cover support policymakers and scientists in making well-informed decisions, as alterations in
these patterns indicate shifts in economic and social conditions. Monitoring such changes with the
help of Advanced technologies like Remote Sensing and Geographic Information Systems is
crucial for coordinated efforts across different administrative levels. Advanced technologies like
Remote Sensing and Geographic Information Systems
9
Changes in vegetation cover refer to variations in the distribution, composition, and overall
structure of plant communities across different temporal and spatial scales. These changes can
occur natural.