PDF, audio, and voiceover are now available on designintechreport.wordpress.com
Today’s most beloved technology products and services balance design and engineering in a way that perfectly blends form and function. Businesses started by designers have created billions of dollars of value, are raising billions in capital, and VC firms increasingly see the importance of design. The third annual Design in Tech Report examines how design trends are revolutionizing the entrepreneurial and corporate ecosystems in tech. This report covers related M&A activity, new patterns in creativity × business, and the rise of computational design.
Comparing approaches: Running database workloads on Dell EMC and Microsoft hy...Principled Technologies
Cloud adoption is no longer a question of “if” an organization can implement and make use of the cloud to advance digital transformation initiatives, it’s a matter of “when.” For many, leveraging the on-demand aspects of off-premises public cloud may seem like the fastest way to get to cloud, but your organization can wind up overpaying by settling on this approach exclusively. We found that a Dell EMC on-premises Microsoft hybrid cloud solution could reduce your cloud costs by as much as 46 percent over five years, while enabling greater flexibility in overall cloud strategy. The savings gained in our scenario could pay off the CapEx investment in as few as 29 months. Additional cloud financing options from Dell Technologies can offset large capital expense, potentially making hybrid cloud implementation more manageable. A Dell EMC on-premises Microsoft hybrid cloud solution can accelerate business initiatives and prepare your organization for the future with a cost-efficient approach that saves money while bringing much needed flexibility to your workloads and applications.
Kottayam ,the land of letters latex,lakes and (LIQUOR)..........Compuerisation of land records Kottayam-2000 uploaded by T.J Joseph Deputy Tahsildar, Kottayam.Mob-9447464502
The database management system MongoDB is currently being downloaded at an impressive rate: approximately 30 000 times per day. Widely spread, this open source software is today the talk of the town because of a hacking wave that, according to some, was to be expected sooner or later.
PDF, audio, and voiceover are now available on designintechreport.wordpress.com
Today’s most beloved technology products and services balance design and engineering in a way that perfectly blends form and function. Businesses started by designers have created billions of dollars of value, are raising billions in capital, and VC firms increasingly see the importance of design. The third annual Design in Tech Report examines how design trends are revolutionizing the entrepreneurial and corporate ecosystems in tech. This report covers related M&A activity, new patterns in creativity × business, and the rise of computational design.
Comparing approaches: Running database workloads on Dell EMC and Microsoft hy...Principled Technologies
Cloud adoption is no longer a question of “if” an organization can implement and make use of the cloud to advance digital transformation initiatives, it’s a matter of “when.” For many, leveraging the on-demand aspects of off-premises public cloud may seem like the fastest way to get to cloud, but your organization can wind up overpaying by settling on this approach exclusively. We found that a Dell EMC on-premises Microsoft hybrid cloud solution could reduce your cloud costs by as much as 46 percent over five years, while enabling greater flexibility in overall cloud strategy. The savings gained in our scenario could pay off the CapEx investment in as few as 29 months. Additional cloud financing options from Dell Technologies can offset large capital expense, potentially making hybrid cloud implementation more manageable. A Dell EMC on-premises Microsoft hybrid cloud solution can accelerate business initiatives and prepare your organization for the future with a cost-efficient approach that saves money while bringing much needed flexibility to your workloads and applications.
Kottayam ,the land of letters latex,lakes and (LIQUOR)..........Compuerisation of land records Kottayam-2000 uploaded by T.J Joseph Deputy Tahsildar, Kottayam.Mob-9447464502
The database management system MongoDB is currently being downloaded at an impressive rate: approximately 30 000 times per day. Widely spread, this open source software is today the talk of the town because of a hacking wave that, according to some, was to be expected sooner or later.
Ibm systems servidor linux power8 de 1u ibm power system s821 lc un servidor ...Diego Alberto Tamayo
Características principales
●●●●Integre dos procesadores IBM® POWER8 en un formato 1U para cargas de trabajo con uso intensivo de computación●●●●Ofrezca densidad para implementaciones de virtualización, base de datos y computación de alto rendimiento (HPC)●●●●Despliegue sistemas de elevada versatilidad para gran diversidad de cargas de trabajo de servidores, que abarcan desde procesamientos de transacciones en línea (OLTP), hosting web y elevado rendimiento de big data.
Tackle Unknown Threats with Symantec Endpoint Protection 14 Machine LearningSymantec
What is machine learning and how can it be used to detect unknown threats?
What makes Symantec’s approach to machine learning different?
Defense in depth: Symantec Endpoint Protection 14
Hadoop & DevOps : better together by Maxime Lanciaux.
From deployment automation with tools (like jenkins, git, maven, ambari, ansible) to full automation with monitoring on HDP2.5+.
Degree Programs Offers Wide Range of Courses To Ensure Well-Rounded Educationjasonw93
By looking at some of the courses in Centennial College's degree programs, this article explains the benefits of attending a four-year program at college level. Among the degree programs at Centennial are Public Relations Management and Computer and Communication Networks.
• Enhanced eText—The Pearson eText gives students access chestnutkaitlyn
• Enhanced eText—The Pearson eText gives students access
to their textbook anytime, anywhere. In addition to note-
taking, highlighting, and bookmarking, the Pearson eText offers
interactive and sharing features. Students actively read and
learn, through embedded and auto-graded practice, real-time
data-graphs, animations, author videos, and more. Instructors
can share comments or highlights, and students can add their
own, for a tight community of learners in any class.
• Practice—Algorithmically generated homework and study
plan exercises with instant feedback ensure varied and
productive practice, helping students improve their
understanding and prepare for quizzes and tests. Draw-graph
exercises encourage students to practice the language
of economics.
• Learning Resources—Personalized learning aids such as Help
Me Solve This problem walkthroughs, Teach Me explanations of the
underlying concept, and figure Animations provide on-demand help
when students need it most.
• Study Plan—Shows students sections to study next, gives
easy access to practice problems, and provides an automatically
generated quiz to prove mastery of the course material.
• Digital Interactives—Focused on a single core topic and
organized in progressive levels, each interactive immerses students
in an assignable and auto-graded activity. Digital Interactives are
also engaging lecture tools for traditional, online, and hybrid courses,
many incorporating real-time data, data displays, and analysis tools
for rich classroom discussions.
• Learning Catalytics—Generates classroom discussion,
guides lectures, and promotes peer-to-peer learning
with real-time analytics. Students can use any device to
interact in the classroom, engage with content, and even
draw and share graphs.
Practice, Engage, and Assess
• Real-Time Data Analysis Exercises—Using current
macro data to help students understand the impact of changes
in economic variables, Real-Time Data Analysis Exercises
communicate directly with the Federal Reserve Bank of St. Louis’s
FRED® site and update as new data are available.
• Current News Exercises—Every week, current
microeconomic and macroeconomic news stories, with
accompanying exercises, are posted to MyEconLab. Assignable
and auto-graded, these multi-part exercises ask students to
recognize and apply economic concepts to real-world events.
• Experiments—Flexible, easy-to-assign, auto-graded, and available
in Single and Multiplayer versions, Experiments in MyEconLab
make learning fun and engaging.
• Reporting Dashboard—View, analyze, and report
learning outcomes clearly and easily. Available via
the Gradebook and fully mobile-ready, the Reporting
Dashboard presents student performance data at the class,
section, and program levels in an accessible, visual manner.
• LMS Integration—Link from any LMS platform to access
assignments, rosters, and resources, and ...
Strategic Issue That Universities Must Deal With In The Next Decadenoblex1
Some strategic issues will shape the university's future for the next decade. Indeed, all of higher education will be changed in the next ten years by the developments we have in mind. Among these strategic concerns, two appear to be the most important. The first is resource availability and government oversight. The second concerns academic programs. Let's begin with resource availability and government oversight, where four sub-matters will dictate the way our campuses develop.
- One, we will continue to deal with cost containment, productivity, and accountability at state and federal levels.
- Two, federal policy will continue to determine funding levels for student aid, research and health care.
- Three, state funding policies and priorities will continue to have significant impact on us.
- And lastly, market-driven changes in health-care delivery will greatly influence all universities, particularly those institutions with medical schools.
The second strategic issue involves academic programs. In this category, six major subsets should concern us. They are:
- The basic matter of access to higher education.
- The quality of teaching, learning, research, and scholarship.
- The increasing need for life-long learning.
- The internationalization of education and commerce.
- The responsiveness of our public service outreach to societal issues.
- The threat of increasing competition from for-profit higher education organizations.
Now, which technologies will affect higher education most dramatically in the next decade? I feel confident that five are likely to challenge us the most. The first of these five is the Internet and the related telecommunications and computer technologies. The remaining four are genetics, materials, nano-structures, and molecular biology.
Of all of those, I think the most important technology in terms of its effect on academic issues, and also on the other technologies I mentioned, is the Internet. That includes telecommunications and computers.
Look at the six issues we face. Access to higher education will be dramatically affected by telecommunications and computer technologies. So will the quality of teaching, learning, and research. I don't know whether the coming changes will be positive or negative, but there will be changes.
It also seems obvious to me that telecommunications and computers and the Internet will increase the need for lifelong learning. Continuous education will be needed for people to advance - or even just to stay current - in most fields. And how will we meet that need? I believe it will be through the Internet. It will be at once the catalyst for great change and the tool by which we respond to the challenge.
Source: https://ebookschoice.com/strategic-issue-that-universities-must-deal-with-in-the-next-decade/
Ibm systems servidor linux power8 de 1u ibm power system s821 lc un servidor ...Diego Alberto Tamayo
Características principales
●●●●Integre dos procesadores IBM® POWER8 en un formato 1U para cargas de trabajo con uso intensivo de computación●●●●Ofrezca densidad para implementaciones de virtualización, base de datos y computación de alto rendimiento (HPC)●●●●Despliegue sistemas de elevada versatilidad para gran diversidad de cargas de trabajo de servidores, que abarcan desde procesamientos de transacciones en línea (OLTP), hosting web y elevado rendimiento de big data.
Tackle Unknown Threats with Symantec Endpoint Protection 14 Machine LearningSymantec
What is machine learning and how can it be used to detect unknown threats?
What makes Symantec’s approach to machine learning different?
Defense in depth: Symantec Endpoint Protection 14
Hadoop & DevOps : better together by Maxime Lanciaux.
From deployment automation with tools (like jenkins, git, maven, ambari, ansible) to full automation with monitoring on HDP2.5+.
Degree Programs Offers Wide Range of Courses To Ensure Well-Rounded Educationjasonw93
By looking at some of the courses in Centennial College's degree programs, this article explains the benefits of attending a four-year program at college level. Among the degree programs at Centennial are Public Relations Management and Computer and Communication Networks.
• Enhanced eText—The Pearson eText gives students access chestnutkaitlyn
• Enhanced eText—The Pearson eText gives students access
to their textbook anytime, anywhere. In addition to note-
taking, highlighting, and bookmarking, the Pearson eText offers
interactive and sharing features. Students actively read and
learn, through embedded and auto-graded practice, real-time
data-graphs, animations, author videos, and more. Instructors
can share comments or highlights, and students can add their
own, for a tight community of learners in any class.
• Practice—Algorithmically generated homework and study
plan exercises with instant feedback ensure varied and
productive practice, helping students improve their
understanding and prepare for quizzes and tests. Draw-graph
exercises encourage students to practice the language
of economics.
• Learning Resources—Personalized learning aids such as Help
Me Solve This problem walkthroughs, Teach Me explanations of the
underlying concept, and figure Animations provide on-demand help
when students need it most.
• Study Plan—Shows students sections to study next, gives
easy access to practice problems, and provides an automatically
generated quiz to prove mastery of the course material.
• Digital Interactives—Focused on a single core topic and
organized in progressive levels, each interactive immerses students
in an assignable and auto-graded activity. Digital Interactives are
also engaging lecture tools for traditional, online, and hybrid courses,
many incorporating real-time data, data displays, and analysis tools
for rich classroom discussions.
• Learning Catalytics—Generates classroom discussion,
guides lectures, and promotes peer-to-peer learning
with real-time analytics. Students can use any device to
interact in the classroom, engage with content, and even
draw and share graphs.
Practice, Engage, and Assess
• Real-Time Data Analysis Exercises—Using current
macro data to help students understand the impact of changes
in economic variables, Real-Time Data Analysis Exercises
communicate directly with the Federal Reserve Bank of St. Louis’s
FRED® site and update as new data are available.
• Current News Exercises—Every week, current
microeconomic and macroeconomic news stories, with
accompanying exercises, are posted to MyEconLab. Assignable
and auto-graded, these multi-part exercises ask students to
recognize and apply economic concepts to real-world events.
• Experiments—Flexible, easy-to-assign, auto-graded, and available
in Single and Multiplayer versions, Experiments in MyEconLab
make learning fun and engaging.
• Reporting Dashboard—View, analyze, and report
learning outcomes clearly and easily. Available via
the Gradebook and fully mobile-ready, the Reporting
Dashboard presents student performance data at the class,
section, and program levels in an accessible, visual manner.
• LMS Integration—Link from any LMS platform to access
assignments, rosters, and resources, and ...
Strategic Issue That Universities Must Deal With In The Next Decadenoblex1
Some strategic issues will shape the university's future for the next decade. Indeed, all of higher education will be changed in the next ten years by the developments we have in mind. Among these strategic concerns, two appear to be the most important. The first is resource availability and government oversight. The second concerns academic programs. Let's begin with resource availability and government oversight, where four sub-matters will dictate the way our campuses develop.
- One, we will continue to deal with cost containment, productivity, and accountability at state and federal levels.
- Two, federal policy will continue to determine funding levels for student aid, research and health care.
- Three, state funding policies and priorities will continue to have significant impact on us.
- And lastly, market-driven changes in health-care delivery will greatly influence all universities, particularly those institutions with medical schools.
The second strategic issue involves academic programs. In this category, six major subsets should concern us. They are:
- The basic matter of access to higher education.
- The quality of teaching, learning, research, and scholarship.
- The increasing need for life-long learning.
- The internationalization of education and commerce.
- The responsiveness of our public service outreach to societal issues.
- The threat of increasing competition from for-profit higher education organizations.
Now, which technologies will affect higher education most dramatically in the next decade? I feel confident that five are likely to challenge us the most. The first of these five is the Internet and the related telecommunications and computer technologies. The remaining four are genetics, materials, nano-structures, and molecular biology.
Of all of those, I think the most important technology in terms of its effect on academic issues, and also on the other technologies I mentioned, is the Internet. That includes telecommunications and computers.
Look at the six issues we face. Access to higher education will be dramatically affected by telecommunications and computer technologies. So will the quality of teaching, learning, and research. I don't know whether the coming changes will be positive or negative, but there will be changes.
It also seems obvious to me that telecommunications and computers and the Internet will increase the need for lifelong learning. Continuous education will be needed for people to advance - or even just to stay current - in most fields. And how will we meet that need? I believe it will be through the Internet. It will be at once the catalyst for great change and the tool by which we respond to the challenge.
Source: https://ebookschoice.com/strategic-issue-that-universities-must-deal-with-in-the-next-decade/
The ”Tré S.T.R.É.A.M.” (Science, Technology, Research, Engineering, Art, Media) campaign is a community-focused initiative working to close the socio-eonomic gap in the technology and engineering sectors especially as it
relates to Afro-Latinos and African-Americans students. Serving historically
underserved communities and with support from public and private partners, Tré S.T.R.É.A.M. works to educate, inspire, and equip middle- and high- school students with the skills and resources to pursue opportunities in the science, technology, and engineering fields.
Bachelor Programs Offered at Centennial College Result in Respected Degreesjasonw93
This article focuses on the idea of degree programs being offered at college level. It lists the differences between university-level and college-level Bachelor offerings.
Chatty Kathy - UNC Bootcamp Final Project Presentation - Final Version - 5.23...John Andrews
SlideShare Description for "Chatty Kathy - UNC Bootcamp Final Project Presentation"
Title: Chatty Kathy: Enhancing Physical Activity Among Older Adults
Description:
Discover how Chatty Kathy, an innovative project developed at the UNC Bootcamp, aims to tackle the challenge of low physical activity among older adults. Our AI-driven solution uses peer interaction to boost and sustain exercise levels, significantly improving health outcomes. This presentation covers our problem statement, the rationale behind Chatty Kathy, synthetic data and persona creation, model performance metrics, a visual demonstration of the project, and potential future developments. Join us for an insightful Q&A session to explore the potential of this groundbreaking project.
Project Team: Jay Requarth, Jana Avery, John Andrews, Dr. Dick Davis II, Nee Buntoum, Nam Yeongjin & Mat Nicholas
The Building Blocks of QuestDB, a Time Series Databasejavier ramirez
Talk Delivered at Valencia Codes Meetup 2024-06.
Traditionally, databases have treated timestamps just as another data type. However, when performing real-time analytics, timestamps should be first class citizens and we need rich time semantics to get the most out of our data. We also need to deal with ever growing datasets while keeping performant, which is as fun as it sounds.
It is no wonder time-series databases are now more popular than ever before. Join me in this session to learn about the internal architecture and building blocks of QuestDB, an open source time-series database designed for speed. We will also review a history of some of the changes we have gone over the past two years to deal with late and unordered data, non-blocking writes, read-replicas, or faster batch ingestion.
Techniques to optimize the pagerank algorithm usually fall in two categories. One is to try reducing the work per iteration, and the other is to try reducing the number of iterations. These goals are often at odds with one another. Skipping computation on vertices which have already converged has the potential to save iteration time. Skipping in-identical vertices, with the same in-links, helps reduce duplicate computations and thus could help reduce iteration time. Road networks often have chains which can be short-circuited before pagerank computation to improve performance. Final ranks of chain nodes can be easily calculated. This could reduce both the iteration time, and the number of iterations. If a graph has no dangling nodes, pagerank of each strongly connected component can be computed in topological order. This could help reduce the iteration time, no. of iterations, and also enable multi-iteration concurrency in pagerank computation. The combination of all of the above methods is the STICD algorithm. [sticd] For dynamic graphs, unchanged components whose ranks are unaffected can be skipped altogether.
Analysis insight about a Flyball dog competition team's performanceroli9797
Insight of my analysis about a Flyball dog competition team's last year performance. Find more: https://github.com/rolandnagy-ds/flyball_race_analysis/tree/main
06-04-2024 - NYC Tech Week - Discussion on Vector Databases, Unstructured Data and AI
Round table discussion of vector databases, unstructured data, ai, big data, real-time, robots and Milvus.
A lively discussion with NJ Gen AI Meetup Lead, Prasad and Procure.FYI's Co-Found
Enhanced Enterprise Intelligence with your personal AI Data Copilot.pdfGetInData
Recently we have observed the rise of open-source Large Language Models (LLMs) that are community-driven or developed by the AI market leaders, such as Meta (Llama3), Databricks (DBRX) and Snowflake (Arctic). On the other hand, there is a growth in interest in specialized, carefully fine-tuned yet relatively small models that can efficiently assist programmers in day-to-day tasks. Finally, Retrieval-Augmented Generation (RAG) architectures have gained a lot of traction as the preferred approach for LLMs context and prompt augmentation for building conversational SQL data copilots, code copilots and chatbots.
In this presentation, we will show how we built upon these three concepts a robust Data Copilot that can help to democratize access to company data assets and boost performance of everyone working with data platforms.
Why do we need yet another (open-source ) Copilot?
How can we build one?
Architecture and evaluation
Levelwise PageRank with Loop-Based Dead End Handling Strategy : SHORT REPORT ...Subhajit Sahu
Abstract — Levelwise PageRank is an alternative method of PageRank computation which decomposes the input graph into a directed acyclic block-graph of strongly connected components, and processes them in topological order, one level at a time. This enables calculation for ranks in a distributed fashion without per-iteration communication, unlike the standard method where all vertices are processed in each iteration. It however comes with a precondition of the absence of dead ends in the input graph. Here, the native non-distributed performance of Levelwise PageRank was compared against Monolithic PageRank on a CPU as well as a GPU. To ensure a fair comparison, Monolithic PageRank was also performed on a graph where vertices were split by components. Results indicate that Levelwise PageRank is about as fast as Monolithic PageRank on the CPU, but quite a bit slower on the GPU. Slowdown on the GPU is likely caused by a large submission of small workloads, and expected to be non-issue when the computation is performed on massive graphs.
ViewShift: Hassle-free Dynamic Policy Enforcement for Every Data LakeWalaa Eldin Moustafa
Dynamic policy enforcement is becoming an increasingly important topic in today’s world where data privacy and compliance is a top priority for companies, individuals, and regulators alike. In these slides, we discuss how LinkedIn implements a powerful dynamic policy enforcement engine, called ViewShift, and integrates it within its data lake. We show the query engine architecture and how catalog implementations can automatically route table resolutions to compliance-enforcing SQL views. Such views have a set of very interesting properties: (1) They are auto-generated from declarative data annotations. (2) They respect user-level consent and preferences (3) They are context-aware, encoding a different set of transformations for different use cases (4) They are portable; while the SQL logic is only implemented in one SQL dialect, it is accessible in all engines.
#SQL #Views #Privacy #Compliance #DataLake
Global Situational Awareness of A.I. and where its headedvikram sood
You can see the future first in San Francisco.
Over the past year, the talk of the town has shifted from $10 billion compute clusters to $100 billion clusters to trillion-dollar clusters. Every six months another zero is added to the boardroom plans. Behind the scenes, there’s a fierce scramble to secure every power contract still available for the rest of the decade, every voltage transformer that can possibly be procured. American big business is gearing up to pour trillions of dollars into a long-unseen mobilization of American industrial might. By the end of the decade, American electricity production will have grown tens of percent; from the shale fields of Pennsylvania to the solar farms of Nevada, hundreds of millions of GPUs will hum.
The AGI race has begun. We are building machines that can think and reason. By 2025/26, these machines will outpace college graduates. By the end of the decade, they will be smarter than you or I; we will have superintelligence, in the true sense of the word. Along the way, national security forces not seen in half a century will be un-leashed, and before long, The Project will be on. If we’re lucky, we’ll be in an all-out race with the CCP; if we’re unlucky, an all-out war.
Everyone is now talking about AI, but few have the faintest glimmer of what is about to hit them. Nvidia analysts still think 2024 might be close to the peak. Mainstream pundits are stuck on the wilful blindness of “it’s just predicting the next word”. They see only hype and business-as-usual; at most they entertain another internet-scale technological change.
Before long, the world will wake up. But right now, there are perhaps a few hundred people, most of them in San Francisco and the AI labs, that have situational awareness. Through whatever peculiar forces of fate, I have found myself amongst them. A few years ago, these people were derided as crazy—but they trusted the trendlines, which allowed them to correctly predict the AI advances of the past few years. Whether these people are also right about the next few years remains to be seen. But these are very smart people—the smartest people I have ever met—and they are the ones building this technology. Perhaps they will be an odd footnote in history, or perhaps they will go down in history like Szilard and Oppenheimer and Teller. If they are seeing the future even close to correctly, we are in for a wild ride.
Let me tell you what we see.
Unleashing the Power of Data_ Choosing a Trusted Analytics Platform.pdfEnterprise Wired
In this guide, we'll explore the key considerations and features to look for when choosing a Trusted analytics platform that meets your organization's needs and delivers actionable intelligence you can trust.
Unleashing the Power of Data_ Choosing a Trusted Analytics Platform.pdf
Document2000 mathematics and computer science.com www.providence.edu-wwwmathematics
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2. Mathematics is not just an indispensable tool for science and business. It is a rich and beautiful field worthy
of study for its own sake. A mathematics major will learn to think logically, gain an aesthetic appreciation
for the subject and develop the skills to solve quantitative problems.
Graduates of our program include teachers, professors, lawyers, actuaries, business managers, computer
scientists, architects, and financial advisors. Mathematics is a respected major that prepares students to
enter any field where quantitative ability is valued.
Our mathematics program allows majors enough room in their schedules to either take a minor or possibly
a second major in another subject. In recent years we have seen mathematics majors with second majors
in biology, computer science, finance, music, economics, Spanish, psychology, and other subjects. The
second major or minor is chosen based on an interest of the student, or with a particular career in mind.
Students who are planning to teach mathematics at the high school level enroll as mathematics/secondary
education majors.These students take all the coursework of the mathematics majors, and additional
courses from the education department. They also student-teach in a high school during their senior year.
Majors who are intending to enroll in a Ph.D. program in mathematics often take extra mathematics
courses beyond what is required. A true hallmark of the program is the willingness of faculty to engage in
independent study or research with students who want to study more advanced topics in preparation for
graduate school. In recent years our majors have earned a Ph.D. at universities that include Notre Dame,
Brown, Tufts, U.C. Santa Barbra, University of Massachusetts, and SUNY Stony Brook.
The College usually graduates between 20 and 30 mathematics majors each year. By the sophomore year,
the classes for the major usually have between 15 to 20 students, and often less.
Computer Science
The computer science program at Providence College graduates students who have practiced solving
problems--using the tools of algorithms to create solutions and using high-level programming languages to
implement these solutions.
They have the knowledge of networks, databases, operating and numerical methods of solving problems,
3. and the mathematics that underlies the field of computer science. They have the opportunity to develop
mobile apps and to create internet programs. But the most important thing they have learned is to apply
their problem-solving skills in new areas and using new languages.
Some Computer Science graduates have excelled in computer science graduate programs. Others have
excelled in industries where they have used proprietary language as well as the languages they learned at
Providence College. They often return to the College to speak to current students and they often volunteer
to assist current students in their job search.
Greetings from the Chair
Jeff HoagWelcome to the web pages of the mathematics and computer science department. Here you can
find information about our courses and programs. You can also learn about department activities and the
achievements of our students, alumni, and faculty.
Please feel free to contact me or any other member of the department if you would like more information.
Lynette J. Boos, Chair
Mathematics and Computer Science Department lboos@providence.edu
Clare Boothe Scholarships
PC recently received its first major grant award from the Clare Boothe Luce Program at the Henry Luce
Foundation. The award will support eight Clare Boothe Luce Undergraduate Scholarships in chemistry, appl
ied physics, mathematics, or computer science for exceptional senior female students.
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Lynette J. Boos, Ph.D.
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lboos@providence.edu
Lynne DeMasi
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ldemasi@providence.edu
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Here's a quick rundown of the basics on your Windows Phone—things like making calls, sending texts, and
getting apps.
Sign in to your phone
Sign in with a Microsoft account to download apps, back stuff up, and more. You'll have a chance to sign in
when you first set up your phone, but you can do it later, too.
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Enter a phone number, and then tap Call.
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> New Plus Icon
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Enter a phone number or contact, type your message, and then tap Send Send Email Icon
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. Then swipe over to Contacts and tap New Plus Icon
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Type in the boxes and tap Save Save Icon
(if you have more than one account set up, you'll need to choose the one you want first).
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On Start , tap Store Marketplace Icon
, then tap a tile to see details, swipe to see more, or tap Search Search Icon
.
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Article ID: 10650 - Last Review: May 18, 2016 - Revision: 25
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11. Doppler Effect, Electromagnetic Waves
The Doppler effect is observed with visible light and all other electromagnetic waves. Just as in
the case of sound waves, the wavelength in the direction of the source motion is shortened to
where all quantities here are measured in the observer's frame. To relate this to the source frequency, it
must be expressed in terms of by using the time dilation expression
This is used to get the frequency.
Relativistic Doppler effect Calculation
Index
Doppler concepts
HyperPhysics***** Relativity R Nave
Go Back
Fractional Wavelength Change
For purposes of determining recession speed of stars and galaxies with the Doppler effect by observation of
the red shift of spectral lines, it is convenient to express the Doppler effect in terms of the shift in
wavelength compared to the source wavelength. For these purposes it is more convenient to define a
receding velocity as positive in the wavelength relationship:
The fractional wavelength change is defined as the z parameter for characterizing red shifts:
12. In terms of the usual relativity symbols, this becomes
Derivation Calculation
Index
Doppler concepts
HyperPhysics***** Relativity R Nave
Go Back
Doppler Frequency
From the Doppler shifted wavelength, the observed frequency is
Rearranging gives the convenient form
where the relative velocity vs is positive if the source is approaching and negative if receding. In terms of
the usual relativity symbols, this becomes
Relativistic Doppler effect Calculation Comparison with sound Low speed approximation
Index
Doppler concepts
HyperPhysics***** Relativity R Nave
13. Go Back[]NEGERISETTI2000[]
Relativistic Doppler Shift
The normal Doppler shift for waves such as sound which move with velocities v much less than c is given by
the expression
where the plus sign is taken for waves traveling away from the observer. For light and other
electromagnetic waves, the relationship must be modified to be consistent with the Lorentz transformation
and the expression becomes
Here v is the relative velocity of source and observer and v is considered positive when the source is
approaching.
Derivation Calculation Low velocity limit (v/c small)
Index
Doppler concepts
HyperPhysics***** Relativity R Nave
Go Back
Doppler Effect, Electromagnetic Waves
The Doppler effect is observed with visible light and all other electromagnetic waves. Just as in
the case of sound waves, the wavelength in the direction of the source motion is shortened to
where all quantities here are measured in the observer's frame. To relate this to the source frequency, it
must be expressed in terms of by using the time dilation expression
14. This is used to get the frequency.
Relativistic Doppler effect Calculation
Index
Doppler concepts
HyperPhysics***** Relativity R Nave
Go Back
Fractional Wavelength Change
For purposes of determining recession speed of stars and galaxies with the Doppler effect by observation of
the red shift of spectral lines, it is convenient to express the Doppler effect in terms of the shift in
wavelength compared to the source wavelength. For these purposes it is more convenient to define a
receding velocity as positive in the wavelength relationship:
The fractional wavelength change is defined as the z parameter for characterizing red shifts:
In terms of the usual relativity symbols, this becomes
Derivation Calculation
Index
Doppler concepts
HyperPhysics***** Relativity R Nave
Go Back
15. Doppler Frequency
From the Doppler shifted wavelength, the observed frequency is
Rearranging gives the convenient form
where the relative velocity vs is positive if the source is approaching and negative if receding. In terms of
the usual relativity symbols, this becomes
Relativistic Doppler effect Calculation Comparison with sound Low speed approximation
Index
Doppler concepts
HyperPhysics***** Relativity R Nave
Go Back