Math 2250 Elementary Linear Algebra Syllabus – Summer 2014 Instructor: Keivan Hassani Monfared Office: Ross Hall 207 Email: [email protected] Office Hours: TWR 9:30am-10:30am Class: MTWRF 10:35pm - 11:50pm Course Website: students.uwyo.edu/KHASSANI/Courses/ElemLinAlgSu2014.html Prerequisites: Grade of C or better in MATH 2200 or 2350. Textbook: Strang, Gilbert. Introduction to Linear Algebra. 4th ed. Wellesley, MA: Wellesley-Cambridge Press, February 2009. ISBN: 9780980232714. Buy at Amazon: http://www.amazon.com/exec/obidos/ASIN/ 0980232716/ref=nosim/mitopencourse-20 (Note: When you purchase this book from the provided link (or other media) from Amazon.com, MIT OpenCourseWare will receive up to 10% of this purchase and any other purchases you make during that visit. Learn more.) How this class works: You are required to watch a video before each class, and read the related section in the book. Videos are provided on MIT’s open-course-ware website: http://ocw.mit.edu/courses/mathematics/ 18-06-linear-algebra-spring-2010/index.htm, and the lectures are given by Professor Gilbert Strang. These topics are listed below, and the links to the videos are provided. During the class period I answer questions that you might have, work examples, and we will work on more examples and homework problems together. This is assumed to be an interactive course with collaboration between students and the instructor. Homework: class. Homework problems will be assigned during the semester and the due dates will be negotiated in Quizzes: There will be 27 daily short quizzes at the beginning of each class, except the days of exam, each 5 minutes long. You cannot make up any of these quizzes, or take them separately. Each quiz is worth 1% of the total grade. These quizzes are on the topics that are listed for that day in the table. The quizzes are to ensure that you are watching the videos and reading the book. If you are going to miss the class on any day, you can email me a 1-2 page summary of the video lecture of that day before the class starts. Exams: There are three semester exams, on Fridays 05/30/14, 06/13/14, and 06/27/14 during the class period. Grading Policy: Your percentage grade is determined by the following: Homework Quizzes Exam 1,2,3 10% 1% each 21% each You can estimate your letter grade by using the following scale: ≥ 90% is an A, 80% − 89% is a B, 70% − 79% is a C, 60% − 69% is a D, and < 60% is an F. Getting Help: You are encouraged to work in groups as much as possible on homework. Often, having a second perspective helps in the understanding process. You are also welcome to stop by my office. Additionally, the tutors in the Math Lab in Ross Hall 29 (northwest corner on bottom floor) will be able to help you. Finally, Tau Beta Pi, the Engineering honor society, offers free tutoring in many engineering, mathematics and science courses. See http://uwyo.collegiatelink.net/organization/tpb for more information. Goals of Math 2250: Here are key computations and some of the ideas behind them: • Solving Ax = b for square systems by elimination (pivots, multipliers, back substitution, invertibility of A, factorization into A = LU ) • Complete solution to Ax = b (column space containing b, rank of A, nullspace of A and special solutions to Ax = 0 from row reduced R) • Basis and dimension (bases for the four fundamental subspaces) 2 • Least squares solutions (closest line by understanding projections) • Orthogonalization by Gram-Schmidt (factorization into A = QR) • Properties of determinants (leading to the cofactor formula and the sum over all n! permutations, applications to inv(A) and volume) • Eigenvalues and eigenvectors (diagonalizing A, computing powers Ak and matrix exponentials to solve difference and differential equations) • Symmetric matrices and positive definite matrices (real eigenvalues and orthogonal eigenvectors, tests for x0 Ax > 0, applications) • Linear algebra in engineering (graphs and networks, Markov matrices, Fourier matrix, Fast Fourier Transform, linear programming) Academic Dishonesty and Classroom Conduct: The University of Wyoming is built upon a strong foundation of integrity, respect and trust. All members of the university community have a responsibility to be honest and the right to expect honesty from others. Any form of academic dishonesty (see UW Regulation 6-802) is unacceptable to our community and will not be tolerated. You are expected to avoid any behaviors that would be disruptive in class. I reserve the right to ask you to leave or to put away any devices that are not helpful should I deem it necessary. Persistence in such behavior may get you dropped from the course. Please see the document entitled Students and Teachers – Working Together produced by the UW College of Arts and Sciences for more information. Disability Statement: If you have a physical, learning, or psychological disability and require accommodations, please let me know as soon as possible. You must register with, and provide documentation of your disability to University Disability Support Services (UDSS) in SEO, room 330 Knight Hall. 766-6189, TTY: 766-3073. The policies in this syllabus are subject to change. Minor changes will be announced in class and substantive changes shall be communicated in writing. Elementary Linear Algebra - Math 2250 - Summer 2014 Schedule Day Date 1 05/19/14 Quiz Topic The geometry of linear equations Reading 1.1-2.1 http://ocw.mit.edu/courses/mathematics/18-06-linear-algebra-spring-2010/video-lectures/lecture-1-the-geometry-of-linear-equations 2 05/20/14 Elimination with matrices 2.2-2.3 http://ocw.mit.edu/courses/mathematics/18-06-linear-algebra-spring-2010/video-lectures/lecture-2-elimination-with-matrices 3 05/21/14 Multiplication and inverse matrices 2.4-2.5 http://ocw.mit.edu/courses/mathematics/18-06-linear-algebra-spring-2010/video-lectures/lecture-3-multiplication-and-inverse-matrices 4 05/22/14 Factorization into A = LU 2.6 http://ocw.mit.edu/courses/mathematics/18-06-linear-algebra-spring-2010/video-lectures/lecture-4-factorization-into-a-lu 5 05/23/14 Transposes, permutations, spaces Rn 2.7 http://ocw.mit.edu/courses/mathematics/18-06-linear-algebra-spring-2010/video-lectures/lecture-5-transposes-permutations-spaces-r-n 6 7 05/26/14 05/27/14 No class Column space and nullspace 3.1-3.2 http://ocw.mit.edu/courses/mathematics/18-06-linear-algebra-spring-2010/video-lectures/lecture-6-column-space-and-nullspace 8 05/28/14 Solving Ax = 0: pivot variables, special solutions 3.2-3.4 http://ocw.mit.edu/courses/mathematics/18-06-linear-algebra-spring-2010/video-lectures/lecture-7-solving-ax-0-pivot-variables-special-solutions 9 05/29/14 Solving Ax = b: row reduced form R 3.3-3.4 http://ocw.mit.edu/courses/mathematics/18-06-linear-algebra-spring-2010/video-lectures/lecture-8-solving-ax-b-row-reduced-form-r 10 05/30/14 Exam I http://ocw.mit.edu/courses/mathematics/18-06-linear-algebra-spring-2010/video-lectures/lecture-13-quiz-1-review 11 06/02/14 Independence, basis, and dimension 3.5 http://ocw.mit.edu/courses/mathematics/18-06-linear-algebra-spring-2010/video-lectures/lecture-9-independence-basis-and-dimension 12 06/03/14 The four fundamental subspaces 3.6 http://ocw.mit.edu/courses/mathematics/18-06-linear-algebra-spring-2010/video-lectures/lecture-10-the-four-fundamental-subspaces 13 06/04/14 Matrix spaces, rank 1, small world graphs http://ocw.mit.edu/courses/mathematics/18-06-linear-algebra-spring-2010/video-lectures/lecture-11-matrix-spaces-rank-1-small-world-graphs 14 06/05/14 Graphs, networks, incidence matrices 8.2 3 http://ocw.mit.edu/courses/mathematics/18-06-linear-algebra-spring-2010/video-lectures/lecture-12-graphs-networks-incidence-matrices 15 06/06/14 Orthogonal vectors and subspaces 4.1 http://ocw.mit.edu/courses/mathematics/18-06-linear-algebra-spring-2010/video-lectures/lecture-14-orthogonal-vectors-and-subspaces 16 06/09/14 Projections onto subspaces 4.2 http://ocw.mit.edu/courses/mathematics/18-06-linear-algebra-spring-2010/video-lectures/lecture-15-projections-onto-subspaces 17 06/10/14 Projection matrices and least squares 4.3 http://ocw.mit.edu/courses/mathematics/18-06-linear-algebra-spring-2010/video-lectures/lecture-16-projection-matrices-and-least-squares 18 06/11/14 Orthogonal matrices and Gram-Schmidt 4.4 http://ocw.mit.edu/courses/mathematics/18-06-linear-algebra-spring-2010/video-lectures/lecture-17-orthogonal-matrices-and-gram-schmidt 19 06/12/14 Properties of determinants 5.1 http://ocw.mit.edu/courses/mathematics/18-06-linear-algebra-spring-2010/video-lectures/lecture-18-properties-of-determinants 20 06/13/14 Exam II http://ocw.mit.edu/courses/mathematics/18-06-linear-algebra-spring-2010/video-lectures/lecture-24b-quiz-2-review 21 06/16/14 Determinant formulas and cofactors 5.2 http://ocw.mit.edu/courses/mathematics/18-06-linear-algebra-spring-2010/video-lectures/lecture-19-determinant-formulas-and-cofactors 22 06/17/14 Cramer’s rule, inverse matrix, and volume 5.3 http://ocw.mit.edu/courses/mathematics/18-06-linear-algebra-spring-2010/video-lectures/lecture-20-cramers-rule-inverse-matrix-and-volume 23 06/18/14 Eigenvalues and eigenvectors 6.1 http://ocw.mit.edu/courses/mathematics/18-06-linear-algebra-spring-2010/video-lectures/lecture-21-eigenvalues-and-eigenvectors 24 06/19/14 Diagonalization and powers of A 6.2 http://ocw.mit.edu/courses/mathematics/18-06-linear-algebra-spring-2010/video-lectures/lecture-22-diagonalization-and-powers-of-a 25 06/20/14 Differential equations and exp(At) 6.3 http://ocw.mit.edu/courses/mathematics/18-06-linear-algebra-spring-2010/video-lectures/lecture-23-differential-equations-and-exp-at 26 06/23/14 Markov matrices, fourier series 8.3, 8.5 http://ocw.mit.edu/courses/mathematics/18-06-linear-algebra-spring-2010/video-lectures/lecture-24-markov-matrices-fourier-series 27 06/24/14 Symmetric matrices and positive definiteness 6.4-6.5 http://ocw.mit.edu/courses/mathematics/18-06-linear-algebra-spring-2010/video-lectures/lecture-25-symmetric-matrices-and-positive-definiteness 28 06/25/14 Complex matrices, fast fourier transform 8.5, 10.2-10.3 http://ocw.mit.edu/courses/mathematics/18-06-linear-algebra-spring-2010/video-lectures/lecture-26-complex-matrices-fast-fourier-transform 29 06/26/14 Positive definite matrices and minima 6.5, 8.1 http://ocw.mit.edu/courses/mathematics/18-06-linear-algebra-spring-2010/video-lectures/lecture-27-positive-definite-matrices-and-minima 30 06/27/14 Exam III - http://ocw.mit.edu/courses/mathematics/18-06-linear-algebra-spring-2010/video-lectures/lecture-32-quiz-3-review - - Optional - - - Similar matrices and jordan form 6.6 - http://ocw.mit.edu/courses/mathematics/18-06-linear-algebra-spring-2010/video-lectures/lecture-28-similar-matrices-and-jordan-form - - Singular value decomposition 6.7 http://ocw.mit.edu/courses/mathematics/18-06-linear-algebra-spring-2010/video-lectures/lecture-29-singular-value-decomposition - - Linear transformations and their matrices 7.1-7.2 http://ocw.mit.edu/courses/mathematics/18-06-linear-algebra-spring-2010/video-lectures/lecture-30-linear-transformations-and-their-matrices - - Change of basis, image compression 7.3, 8.1 http://ocw.mit.edu/courses/mathematics/18-06-linear-algebra-spring-2010/video-lectures/lecture-31-change-of-basis-image-compression - - Left and right inverses, pseudoinverse 7.3 http://ocw.mit.edu/courses/mathematics/18-06-linear-algebra-spring-2010/video-lectures/lecture-33-left-and-right-inverses-pseudoinverse - - Final Course Review - http://ocw.mit.edu/courses/mathematics/18-06-linear-algebra-spring-2010/video-lectures/lecture-34-final-course-review If you are using a printed version of this schedule, type in the links, or go to the following link on your browser to access the above videos: http://goo.gl/DoiMQw (Case 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Or visit: http://students.uwyo.edu/KHASSANI/Courses/ElemLinAlgSu2014/schedule.html Or scan this QR code:

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