Homework for Differential Equations 305

SIU Spring 1999

All assingments suject to change. Any changes will be announced in class.

Set 1 (Due Monday, January 25)

A sheet of review problems is attached. (Click on Review.ps, or Review.pdf.)

Set 2 (Due Friday, January 29)

1.1: 1-6, 8, 9, 15-18, 33, 39
2.1: 1, 3, 5, 7, 17, 32
2.2: 1, 3, 5, 7
Plus the attached supplimentary problems on direction fields: df.ps,  df.pdf

Set 3 (Due Friday, February 5)

2.2: 9, 12, 14, 17, 29
2.3: 1, 3, 9, 14, 16, 18 (You may use a computer/calculator for the
graphs, but be sure they are labeled correctly and completely.)
2.4:  1, 4, 5, 10, 11, 14, 15 (Use Maple for the direction fields.)

Set 4 (Due Friday, February 12)

2.5: 2, 3, 7, 18, 24, + an extra problem:PDF,HTML
2.6: 1, 5, 8, 19 (See my solution to #18 (Page 1, Page 2)
2.7: 1, 4, 5, 7, 9

Set 5 (Due Friday, February 19) 

1) Use Bernoulli Method (#37 2.2) to solve:
a) y' - 3y = xy²
b) ty' + y = t²y4
2.9: 14
3.1: 2, 3, 8, 9, 11, 13, 18, 29, 31
3.4: 2, 4, 6, 13, 17, 19, 20, 27, 32, 39(show all work)

Delay 3.5 until Set 6. Won't be on Test 1.



Test 1 (Friday, February 26): 1.2, 2.1-2.7, 3.1, 3.4 & 3.5
Set 6 (Due Friday, March 5) 3.5: 1, 3, 5, 11, 13, 26, 28, 39, 40, 41 3.2: 1, 3, 5, 7, 9, 13, 16, 23, 28 3.3: 1, 3, 5, 7, 13, 25 2.7: 12 Set 7 [part 1](Due Friday, March 12) 3.6: 2, 3, 5, 12, 14, 15, 20, 27, 31 <-- MOVED! 3.7: 1, 3, 6, 7, 12, 28, 30 2.6: 15
SPRING BREAK! Also known as catch-up week.
Set 7 [part 2](Due Monday, March 22) 3.8: 1, 3, 5, 7, 11, 18, 31, 32 3.9: 2, 3, 6, 8, 12, 17
Test 2 (Friday, March 26): 3.1-3.9
Set 8 (Due Friday, April 9) 5.1: 1, 3, 6, 8, 14, 16, 18, 20, 22 5.2: 1, 4, 9, 14, 15 5.3: CHANGED! See hwk8.txt Plus an extra Maple problem.
Project Due Date: Friday, April 16.
Set 9 (Due Friday, April 23) 10.2: 13, 15, 17, 18 10.3: 3, 5 Set 10 (Due Friday, April 30) 10.4: 8, 11 10.1: 1, 4, 7, 8, 9 10.5: 1, 4, 9
Test 3 (Friday, April 24): Chapters 5 & 10.
Set 12 (Due Friday, May 7) 2.1: 6, 9, 12 2.4: 7, 8 2.5: 18, 27 2.6: 10, 18 2.7: 10, 11 2.8: 20 3.5: 18 3.6: 21, 29 3.8: 16, 18, 21 5.2: 11, 21 10.6: 2
Final Exam (Monday, May 10): 7:50-9:50am.