Fall 2003

# Mathematics Math21b Fall 2003

## Linear Algebra and Differential Equations

Office: SciCtr 434
Email: knill@math.harvard.edu
 New Syllabus Calendar Homework Challenge Exam Handout Check Exhibit Cas Faq Link

## Homework

 Homework is due at the beginning of class. Collaborations are welcome however you must turn in your own copy and list on it the names of your collaborators. Use words to explain your work, if necessary. Show your work. A star * after a problem indicates that the problem is recommended only, not required.

 ``` 1. Week Due Mon 9/22 1.1 10,12,20,24,32b,26*,36* 9/24 Wed 9/24 1.2 6,12,18,20,30,32*,38* 9/26 Fri 9/26 1.3 4,14,34,48,50,26*,46* 9/29 Solutions. 2. Week Mon 9/29 2.1 6,14,22,28,42,44,34*,(24-30)* 10/1 Wed 10/1 2.2 4,8,10,30,34,47*,50* 10/3 Fri 10/3 2.3 10,20,30,38,40,26*,42* 10/6 Solutions. 3. Week Mon 10/6 2.4 4,14,28,40,76,48*,66* 10/8 Wed 10/8 3.1 10,22,34,44,54,38*,48* 10/10 Fri 10/10 3.2 6,18,24,28,48,36*,38* 10/15 Solutions. 4. Week Mon 10/13 Columbus Day, no class Wed 10/15 3.3 22,24,32,38,52,36*,56* 10/17 Fri 10/17 3.4 2,14,16,22,26,32*,38* 10/20 Solutions. 5. Week Mon 10/20 5.1 6,10,20,28,32,38*,14* 10/24 Wed 10/22 REVIEW AND EXAM 1 (Chapters 1,2,3) Fri 10/24 5.2 2,14,16,34,40,42* 10/27 Solutions. 6. Week Mon 10/27 5.3 2,6,8,16,20,18*,44* 10/29 Wed 10/29 5.4 2,10,22,34,40,16*,18* 10/31 Fri 10/31 6.1 14,52 and 6.2 4,6,12,16*,40* 11/3 Solutions. 7. Week Mon 11/3 6.3 4,12,14,22,26,18*,31* 11/5 Wed 11/5 7.1 2,10,20,38ab),38c),40*,(24-29)*11/7 Fri 11/7 7.2 8,10,16,22,32,28*,38* 11/10 Solutions. 8. Week Mon 11/10 7.3 14,20,34,42,48,38*,46* 11/12 Wed 11/12 7.4 14,18,22,36,54,58*,56* 11/14 Fri 11/14 7.5 6,12,24,30,36,60*,38* 11/17 Solutions. 9. Week Mon 11/17 7.6 8,12,22,28,40,38*,42* 11/21 or 8,12,22,28,42,38*,40* Wed 11/19 REVIEW AND EXAM 2 (Chapters 5,6,7) Fri 11/21 8.1 2,10,12,16,36,24*,26* 11/24 Solutions. 10. Week Mon 11/24 9.1 10,26,32,54a,54b,24*,46* 11/26 Wed 11/26 9.2 12,14,18,22-26,34,35*,40* 12/1 Fri 11/28 THANKSGIVING, NO CLASS Solutions. 11. Week Mon 12/1 9.4 1,2,3,4,5* (Handout) 12/3 Wed 12/3 10.1 1,2,3,4,5,6* (Handout) 12/5 Fri 12/5 10.1 7,8,9,10,11,12* (Handout) 12/8 Solutions 9.4 Solutions 10.1 12. Week Mon 12/8 10.2 1,2,3,4,6,5* (Handout) 12/10 Wed 12/10 10.3 1,2,3,4,5*,6* (Handout) 12/12 (Note typo in problem 3: It should be T(0,pi)=0) Fri 12/12 10.4 3,4,1*,2*,5* (Handout) 12/15 Solutions 10.2 (note typo in 5 corrected in hint) Solutions 10.3 Solutions 10.4 ```

Want to think about more challenging problems: Look here