Differential Equations (Math 315, section 2)
Spring, 2008
Dr. Richard Gomulkiewicz


Homework Exercises






Week
Lecture
Date
Sections Covered in Class

Homework Assigned
Due Date
1 1 Jan. 7
1.1, 3
 pp. 7-8 #1, 26
pp. 24-5 #9, 10, 12
Read section 1.4


Jan. 16

2 Jan. 9 1.3, 2.7
 p. 108 #2a, 2b, 3a, 4a Jan. 16

3 Jan. 11
 2.1
 pp. 39-40 #3, 9, 13, 14, 21, 28 Jan. 16
2
 4 Jan. 14 2.1 pp. 39-41 #15, 16, 17, 19, 20, 31 Jan. 23

5 Jan. 16 2.2
homework collected
 pp. 47-8 #2, 3, 9, 12, 18, 25
 Jan. 23
3 6 Jan. 18
 2.3
 pp. 57-63 #12, 13, 16, 17ac
 Jan. 23

7 Jan. 23
 2.3, 2.4
homework collected
 pp. 59-66 #1, 19
pp. 75-6 #1, 2, 4, 7, 9, 13, 14, 22
 Jan. 30

8 Jan. 25
 2.4
 no new homework assigned
 Jan. 30
4 9 Jan. 28
 3.2
 p. 151 #8, 11, 13, 14 Feb. 6

10 Jan. 30 3.2, 3.3
homework collected
 pp. 151-2 #1, 2, 17, 23, 24
p. 158 #3, 4, 6, 10, 17, 27 		Feb. 6

11 Feb. 1
 Snow Day!
Feb. 6
5 12 Feb. 4
 3.5 (pp. 165-6), 3.1 p. 172 #23, 25, 28
 Feb. 13

13 Feb. 6
 3.1, 3.5, 3.4
homework collected		 p. 142 #2, 6, 9, 14, 17, 21
p. 172 #3, 6, 14, 16
 Feb. 13

14 Feb. 8
 3.4, 3.6
 p. 164 #2, 9, 12, 18, 22
 Feb. 13
6 15 Feb. 11
 3.6
 p. 184 #2, 4, 13, 14, 17
 Feb. 20

16
 Feb. 13
 Review
homework collected
Feb. 20
7 17 Feb. 15
 1st Midterm Exam


18 Feb. 20 3.6, 3.7
homework collected		 p. 184 #3, 18
p. 190 #3, 6, 7, 9, 15, 17
 Feb. 27

19 Feb. 22
 3.8, 3.9
 p. 203 #3, 5, 6, 7
 Feb. 27
8 20
 Feb. 25
 3.8, 3.9 p. 203 #11, 13
p. 214 #5, 6 		Mar. 5

21 Feb. 27
 3.9, 4.1
homework collected		 p. 222 #2, 3, 11, 12, 13
 Mar. 5

22 Feb. 29
 4.2 ,7.1
 p. 230 #2, 7, 9, 11, 14
Read §7.2 & §7.3
 Mar. 5
9 23 Mar. 3
 7.1
 pp. 360-3 #1, 3, 4, 5, 22ab
 Mar. 19

24 Mar. 5
 7.2, 7.3
homework collected		 pp. 372-3 #1, 10
pp. 383-4 #15, 21 		Mar. 19

25 Mar. 7
 7.2, 7.3 pp. 372-3 #22, 25
pp. 383-4 #6, 13
 Mar. 19
10 26 Mar. 17
 7.3, 7.4, 7.5
 no new problems assigned
 Mar. 26

27 Mar. 19
 7.5, 7.6
homework collected		 pp. 398-400 #2, 3, 7, 11, 15, 29
(Note: you need not plot direction
fields or trajectories.)  		Mar. 26

28 Mar. 21
 7.6, 7.8
 pp. 410-12 #1, 3, 7, 8, 28
(Note: you need not plot direction
fields or trajectories.)
 Mar. 26
11 29 Mar. 24
 7.8
 pp. 428 #1, 4, 7
(Note: you need not plot direction
fields or trajectories.)
 Apr. 2

30
 Mar. 26
 Review
homework collected
Apr. 2

31
 Mar. 28
 2nd Midterm Exam

12 32 Mar. 31
 7.9
 pp. 439-440 #1, 5, 7, 14 Apr. 9

33 Apr. 2
 6.1
homework collected		 pp. 312-4 #2, 5bc, 6, 7, 16, 26, 27
 Apr. 9

34 Apr. 4
 6.2
 p. 322 #1, 3, 4, 11, 12, 21, 22
 Apr. 9
13 35 Apr. 7
 6.2, 6.3 p. 329-30 #4, 7, 8, 13, 16
 Apr. 16

36 Apr. 9
 6.3, 6.4
homework collected		 p. 337 #2, 4, 9
 Apr. 16

37 Apr. 11
 6.4, 6.5
 p. 344 #1, 2, 4, 9, 13
 Apr. 16
14 38 Apr. 14
 5.1
 p. 249 #4, 5, 13, 15, 17, 22, 23
 Apr. 23

39 Apr. 16
 5.1, 5.2
homework collected
no new homework assigned
 Apr. 23

40
 Apr. 18
 Cancelled
Apr. 23
15 41
 Apr. 21
 5.2
 p. 259 #1, 3, 6, 12
 Not Collected

42 Apr. 23
 homework collected
Not Collected

43 Apr. 25
 Review
Not Collected

Final Exam
May 1
 3:10 pm - 5:10 pm

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Department of Mathematics

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