Ordinary Differential Equations I

In order to qualify for credits (5 pts for each homework), homework must be turned in on Monday (in class), and must be complete (sufficient supporting work shown for each problem).

Homework 1 (5/19)

Section 1.1 : # 1, 3, 4, 5, 15, 17, 18.

Section 1.2 : # 1 (Just solve the initial value problems.), 3 (a).

Section 1.3 : # 8, 13, 15, 17.

Section 2.1 : # 1, 2, 4, 7, (For prob. 1, 2, 4, 7, just find the general solution.); 13, 15, 16, 19, 24 (Just solve the initial value problem.).

Homework 2 (5/27)

Section 2.2 : # 4, 5, 7, 9, 11, 14, 19, 20, (For prob. 9, 11, 14, 19, 20, just complete part (a).).

Section 2.4 : # 1, 3, 4, 5, 6.

Section 2.5 : Read pp. 79 ~ 83.

Section 2.6 : # 2, 3, 4, 5, 6, 8, 10, 11, 15.

Homework 3 (6/2)

Section 3.1 : # 1, 3, 5, 7, 8, 10, 11, 12,  16, (For prob. 10, 11, 12, 16, just solve the initial value problem.), 17, 18.

Section 3.2 : # 2, 3, 4, 7, 9, 10, 12, 13, 24, 25, 26, 27.

Homework 4 (6/9)

Section 3.3 : # 1, 2, 3, 4, 7, 9, 10, 11, 12, 14, 17, 19, 20, 22, (For prob. 17, 19, 20, 22, just solve the initial value problem.).

Section 3.4 : # 1, 3, 5, 7, 9, 10, 11, 13, (For prob. 11, 13, just solve the initial value problem.), 23, 24, 26.

Homework 5 (6/16)

Section 3.5 : # 1, 2, 3, 9, 15, 16.

Section 3.6 : # 1, 3, (For prob. 1, 3, just use the method of variation of parameters.), 7, 8, 9.

Homework 6 (6/23)

Read Section 5.1.

Section 5.1 : # 1, 3, 4, 6, 7, 8, 10, 12, 13, 15, 17, 21, 22, 23.

Section 5.2 : # Just complete part (a), (b), (c): 1, 2, 4.

Homework 7 (6/30)

Section 5.4 : (Assume x>0) # 1, 3, 4, 8, 9, 12, 13, 14, (For prob. 13, 14, just solve the initial value problem.).

Section 6.1 : # 5 (a), 15, 21, 22, 23.

Homework 8 (7/7)

Section 6.2 : # 1, 3, 6, 11, 12, 20.

Section 6.3 : # 1, 3, 4, 7, 8, 13, 22, 24, 25(a).