Harvard University Summer School
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Linear Algebra with Applications, 4th Edition
Linear Algebra with Applications, 3rd Edition
Linear Algebra with Applications, 5th Edition
A key matching HW exercises in different editions is available on request.
The older 2nd edition or even the 1st edition of the text may also be used. The material is fundamentally the same in all editions and all homework assignments will be made available as printable PDFs. Additional supplements on various topics in differential equations will also be made available during the course.
Thanks for attending the course this summer!
We meet every Monday, Wednesday, and Friday from 9:30am to 11:30am in Emerson Hall 210.
TA Jeremy Marcq will hold a weekly section meeting every Friday 2:30pm-3:30pm in SC112. Jeremy will be on the Harvard campus most days and will hold office hours by appointment.
Robert Winters' Office Hours: Mondays, Wednesdays, and Fridays immediately following class (if necessary we'll move from Emerson 210 elsewhere to continue the conversation). Other times may be scheduled by appointment, if necessary. My Summer School office has not yet been assigned.
Topics to be covered include Gauss-Jordan reduction and systems of linear equations; matrices and linear transformations; linear independence; subspaces; matrices and coordinates relative to different bases; general linear spaces; orthogonality and least-squares approximation; inner product spaces; determinants; eigenvalues, eigenvectors, and the spectral theorem; discrete and continuous dynamical systems; phase-plane analysis of linear and nonlinear systems of ordinary differential equations; and function spaces and differential operators.
This course is primarily a course in Linear Algebra. It has always included applications to Differential Equations (perhaps 15% of the course), but the intention has never been to serve as a substitute for a full course in Differential Equations. This summer we will likely provide more focus on the applications of Linear Algebra to Differential Equations than in summers past.
Text: Linear Algebra With Applications, 4th Edition (2008) or 3rd Edition (2005) by Otto Bretscher, published by Prentice-Hall. The newer 5th Edition (2013) of the text may also be used, but HW problems are currently keyed to the 4th Edition. Use the links to the left to find the best online prices for a text (used copies and older editions are considerably less expensive). We will cover almost all topics in this book, and homework will be assigned from its large collection of exercises. The material is fundamentally the same in all editions and all homework assignments will be made available as printable PDFs. A key matching HW exercises in different editions is available on request. Additional supplements on various topics in differential equations will also be made available during the course.
Answers to frequently asked questions:
Note regarding submission of homework via email: We REALLY prefer that you do not submit homework as email attachments. Paper is so much easier to work with for the grading of homework. We may also make alternate arrangements for scanned submissions via Canvas. However, if you feel you must turn in an assignment via email, here are a few rules: (1) Get the OK first from Jeremy; (2) please don't send photographs unless the images are as good as what might be expected from a scanner; and (3) limit your file size to no more than about 150KB per page. If you don't know how to limit the file size, then don't submit your homework in this manner. [These same rules apply to assignments submitted via Canvas.]
Note: If you must turn in homework assignments outside of class, there is a Math S-21b Dropbox located on the 2nd floor of the Science Center. As you exit the elevators on the 2nd floor, turn left and take an immediate left down the corridor with wooden mailboxes mounted on the left-hand wall. Ours is at the bottom-right corner of the first bank of wooden mailboxes.
Note: The mean is somewhat lower due to some students failing to turn in HW, i.e. scores of "0" on those assignments..
by permission of Bill Griffith
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