Summer 2008

Harvard Summer School
Mathematics S-21b – Summer 2008
Linear Algebra and
Differential Equations

Instructor:
Robert Winters 

Course Assistant:
Chelsea Zhang

Calendar of topics and
homework assignments


Student Solutions Manual
PDF for each chapter
(odd-numbered problems)

Course Textbook 
Linear Algebra with Applications, 3rd Edition, by Otto Bretscher,  published  by Prentice Hall. The ISBN for the text is 0-13-145334-3. It will available at the Harvard Coop bundled with the student solutions manual. It's also available on the web:

Compare prices:
Linear Algebra With Applications, 3rd Ed.

It's possible to get by with the previous (2nd) edition, but it may require posting of the assigned problems.

Conversion of the problems in the 3rd Edition to their equivalents in the 2nd Edition. [Some problems in the 3rd Edition are new and have no equivalents in the previous edition of the text.]

 

Announcements:

The Final Exams are now being graded. Course grades should be determined by the end of the weekend.
Thanks for attending the course!


Approximate letter grades for Exam #1
Total points on exam was 52. Median score was 38.5.
Mean score was 39.7.  Standard deviation was 8.1.
score grade   score grade
47-52 A 29-31 C+
43-46 A- 27-28 C
39-42 B+ 25-26 C-
35-38 B 22-24 D
32-34 B- 0-21 E
Exam #1 Solutions 
Practice Exam #1        Solutions 
     
Approximate letter grades for Exam #2
Total points on exam was 50. Median score was 40.0.
Mean score was 40.4.  Standard deviation was 6.6.
score grade   score grade
46-50 A 29-31 C+
43-45 A- 27-28 C
40-42 B+ 25-26 C-
36-39 B 23-24 D
32-35 B- 0-22 E
Exam #2 Solutions 
Practice Exam #2     Solutions

Class meets daily from 11:00am to noon in Science Center 110.

Chelsea's problem sessions for the course will be held before class on Mondays from 10am to 11am and on Wednesdays from 1pm to 2pm.  Both sessions will take place in Science Center 221. In addition, Chelsea will be available for questions every Friday before class from 10am to 11am in the Science Center Greenhouse Cafe.

Prof. Winters will be available for questions every day after class either in the next classroom or in Science Center 524A. [I can also be available at other times as needed. Just let me know. - RW]


Course Calendar 

Math S21b syllabus (HTML)             Printable syllabus (PDF)



(adapted from a Gary Larsen cartoon)



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Please send comments to Robert Winters.
URL: math.rwinters.com/S21b 
Last modified:  Thursday, August 14, 2008