Website
for Math 432 – Differential Equations

Announcements

Handouts

Rules for Homework
Assignments

Here are some
additional practice exercises on modeling (click here), Euler's method (click here), the improved Euler method
(click here), and Runge-Kutta
methods (click here). And here (click)
are the answers.

Assignments

1.1: 1, 3, 4, 5, 7, 8, 9, 11, 12, 13, 15, 16

1.2: 1, 2, 3, 5, 8, 9, 12, 13, 15, 18, 19, 21, 22,
23, 27, 28, 30, and 31.

1.4: 1, 5, 6, 7, 8, and 14.

2.2: 1, 3, 5, 6, 7, 11, 16, 19, 23, 26, 27, 28,
37(a&b), and 38.** **

2.3: 1, 2, 3, 4, 5, 6, 9, 13, 16, 17, 21, 22, 25,
and 38.** **

2.4: 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 14, 17, 20,
21, 25, 26, and 29.** **

2.5: 1-10, 12, 13, and 14.** **

2.6: 1-8, 11, 19, 25, 34, 39, and 40.** **

3.2: 1, 6, 9, 13, 14, 19, 21, 24, 25

3.3: 5, 8, 11, 15

3.4: 5, 6, 9, 18

3.6: 7, 8, 9, 10, 11, 12.

3.7: 1, 3, 5, 6, 8, and 9.

4.2: 1, 7, 11,
12, 13, 17, 20, 21, 24, 27, 30, 31, 37, 41, 43, and 44.

4.2: 11, 20, 37,
41, 43, and 44.

4.3: 1, 5, 8,
11, 17, 20, 21, 24, 27, 32, and 33 (a & b).

4.4: 1, 3, 5, 6,
9, 11, 13, 15, 16, 21, 27, and 28.

4.5: 1, 5, 8, 9,
11, 13, 14, 15, 17, 20, 25, 28, 31, 33, and 36.

4.6: 1, 3, 7,
10, 15, and 16.

4.7: 3, 5, 6, 9,
13, 17, 20, 37, 38, 41, 42, 47, and 48.

6.1: 15, 16, 19,
20

6.2: 3, 9, 12,
20

6.3: 5, 8, 31,
32

6.4: 1, 3, 5, 6,
7, 8

7.2: 2, 6, 7, 9,
12, 13, 17, 20, 21, 23, 24, 27, 29(a, c, e, g, and i),
and 30.

7.3: 1, 3, 7,
10, 21, 22, 25, 33, and 34.

7.4: 1, 3, 7, 9,
10, 11, 13, 15, 19, 21, 24, 25, 28, and 30.

7.5: 1, 5, 8,
13, 17, 21, 22, 25, 26, 35, and 38.** **

8.1: 1, 4, 5, 6,
9, 13, 15, 16.** **

8.2: 1, 3, 6, 9,
11, 14, 16, 17, 19, 20, 21, 23, 25, 26, 29, 31, 32, 33** **

8.3: 3, 4, 5, 9,
11, 15, 18, 19, 21, 24, 27, 28, 31

8.4: 1, 3, 5, 6,
9, 12, 15, 18, 23, 26

Solutions

3.2, 3.3, 3.4, 3.6 (an Excel spreadsheet), and 3.7,

4.2, 4.3, 4.4, 4.5, 4.6, and 4.7,