# Pannoh’s Profile

## My Courses

Linear Algebra MAT 2580 Sections 1594 & 6642

This is an introductory Linear Algebra course that will follow develope the theories of dimension and eigenvalues. We will employ the fourth edition of Linear Algebra and its Applications by David Lay. There will be supplementary material available here on OpenLab.

New York City College of Technology Mathematics Department Fall 2012 Prof. Urmi Ghosh-Dastidar Course: Introduction to Linear Algebra MAT2580 Section (6643) (3 credits) Topics include systems of equations, matrices, determinants, eigenvalues and eigenvectors, inner products, vector spaces, and subspaces. Prereq: MAT1575 (Calculus II) Meeting Time – Tues/Thurs: 2:30 – 3:45 p.m. N723 Text: Linear Algebra and its Applications,4th Edition by David C. Lay. Publisher: Addison Wesley. Instructor’s name: Urmi Ghosh-Dastidar Office Hours: Tues/Thurs: 3:50 – 4:50 p.m. (Namm 726) Office: N726 ; Ph: (718)260-5349 Office: Pearl 616 (by appointment only) If you want to meet me other than the office hours please make an appointment. e-mail: ughosh-dastidar@citytech.cuny.edu Note: All exams will take place in-class unless stated otherwise. The final exam date and time is fixed. You have to make yourself available for all in-class exams and final exam Technology prerequisites: A graphing calculator is required: We recommend a calculator which can compute eigenvalues. E-mail: All student must use City Tech e-mail address while taking this course. Reading e-mail on a regular basis is necessary. I may need to contact you via e-mail if situation arises. City Tech has provided all students with a City Tech email address. Your email address is the first letter of your first name, followed by your last name, followed by @campus.citytech.cuny.edu. You can access your email by going to the following web site: http://campus.citytech.cuny.edu/. For help with accessing email, you can also send an email to helpdesk@campus.citytech.cuny.edu. In case of emergency, you can call 718-254-8565 or email: epak@citytech.cuny.edu or rhoque@citytech.cuny.edu for technical help. Theme: Biodiversity: Eco-Math link through Linear Algebra A Brief Introduction Biodiversity and the Hudson River Flowing from the Lake Tear of the Clouds, North the Hudson River journeys 315 miles and drops 4,322 feet in elevation before emptying itself into New York Harbor. The Hudson River is home to diverse populations of fish, birds, and mammals that cohabit and compete among themselves for resources. Recently the American shad, Atlantic sturgeon, river herring (blue back herring and alewife), American eel, and largemouth bass are in decline. Intense economic harvesting pressure and overexploitation cause coastal and marine species to decline. Therefore, harvesting and fishing should be managed properly and carefully to avoid decline of current population. Food web analysis provides important information regarding the nature of competition among various organisms. Cluster analysis in graph theory is a popular method to seek partition of a given data set into several clusters so that the data points within the same cluster are more similar than those belonged in the separate clusters. In this project we will use cluster analysis using the concepts of linear algebra to study the competition among various species in a given food web, in particular, competition among various Hudson River species. Students will find a partition of the competition graphs based on the Hudson River food web such that the strength of competition (for shared preys) between two clusters (two groups of predators) is as low as possible; however, the strength of competition within the same clusters is as high as possible. Big Idea behind this project Study and analyze Hudson River Food Web and its competition graph to interpret the strength of species competition. Upon completion of this project, students should be able to answer the following questions: • Which predator species are more connected than others? • What happens if a specific species (particularly, a prey) dies out? Particularly, how does the removal of a particular species affect its predators and also the overall competition among all predator species? I believe through this project students will gain some insights to the mechanisms of interactions and competition among various species. Students will be able to propose further measures for early intervention if any species dies out, share their knowledge, and create public awareness of the need to promote a healthy and balanced ecosystem in their own community. My goals as the course instructor are: 1. To assist students develop a deep understanding of core mathematical concepts and help them appreciate the usefulness of mathematics to analyze and explain their community and environment. 2. To create challenging environment for high achiever students. 3. To provide training in conducting research in an interdisciplinary field combining mathematics and ecology based on biodiversity of the Hudson River Estuary; a topic that is carefully chosen to hold students’ interests. 4. To motivate students in higher studies in an interdisciplinary field. 5. To help students retain knowledge for long term. Students Learning Outcomes 1. To solve systems of linear equations using matrices. 2. To identify and use vector properties (spaces, subspaces, bases, inner product). 3. To identify properties of matrices (inevitability, eigenvalues, eigenvectors). 4. To use computer technology to solve practical problems. 5. To learn how to collect data. 6. To learn how to apply core mathematical concepts (particularly eigenvalues and eigenvectors) in solving real-world problems. 7. To understand interdisciplinary approach and the significance of it in real-world applications. 8. To write technical reports and disseminate the key findings. 9. To understand how to present research findings. 10. To learn how to work as a team. 11. To be able to use computer technology to assist in the above. General Education Learning Goals 1. To understand interdisciplinary approach and the significance of it in real-world applications. 2. To gather, analyze, and interpret the data with scientific reasoning 3. To improve communication skills via group work and oral presentations 4. To use logical thinking to deliver a written report

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