Ordinary Differential Equations

UBC Math 215/255, Fall 2009, Problem sets and Exams

You do not need to hand in solutions to practice problems. They will not be marked. They indicate possible types of problems in exams in addition to those assigned problems.


Due date
Assignments Practice Solutions
h1
week 3
Fri 09.25
1.1 (page 7): 6
1.3 (page 24): 17
2.1 (page 39): 14, 16, 31
2.2 (page 47): 4, 9, 22
2.3 (page 59): 4, 10, 24
2.5 (page 88): 15
1.1: 4
1.3: 18
2.1: 24b, 32
2.2: 2, 12
2.3: 8, 16
2.5: 4, 5
s1
h2
week 4
Fri 10.02
2.5: 3.
2.6: 4, 10, 16, 26.
2.4: 2, 3, 14.
3.1: 8, 11, 20, 22.
2.5: 9.
2.6: 3, 5, 12, 14, 23, 25, 27.
2.4: 1, 4, 13, 22.
3.1: 3, 7, 10, 15, 21, 24.
s2

week 5
Fri 10.09
Midterm 1

h3 week 6
Fri 10.16
3.2: 5, 11, 23, 26
3.3: 9, 19, 27, 32
3.4: 4, 11, 16, 23
3.2: 4, 8, 18, 22, 28
3.3: 1, 7, 18, 25, 31
3.4: 1, 12, 18, 21, 25
s3
h4
week 7
Fri 10.23
3.5: 8, 18, 27, 28, 29
3.6: 7, 16, 21, 29
3.5: 2, 7, 15, 31, 32
3.6: 1, 11, 17, 22, 23
s4
h5
week 8
Fri 10.30
3.7: 3, 11, 13, 18
6.1: 14, 15, 22
6.2: 3, 8, 21
3.7: 2, 6, 8, 24, 27
6.1: 1, 2, 9, 16, 21
6.2: 9, 20, 22, 27
s5
h6
week 9
Fri 11.06
6.3: 12, 14, 17, 20, 21
6.4: 2a, 4a, 5a
6.5: 2a, 5a
6.3: 8, 15, 18, 23
6.4: 8a, 10a
6.5: 4a, 6a, 12a
s6

week 10
Fri 11.13
Midterm 2

h7 week 11
Fri 11.20
6.6: 7, 15, 17
7.1: 5
7.5: 2(a), 3(a), 12
7.6: 2(a), 6(a), 10
6.6: 4, 14, 18
7.1: 2, 6
7.5: 1, 5, 14
7.6: 1, 9
s7
h8
week 12
Fri 11.27
7.7: 3, 9, 11, 17
7.8: 5, 7(a), 16
7.9: 3, 8, 9
7.7: 2, 6, 10, 12
7.8: 1(c), 4(c), 9(a)
7.9: 4, 6, 11
s8
h9
week 13
Wed 12.02
9.1: 6(abc), 7(abc), 14
9.2: 2, 18(ab)
9.3: 7(abc), 19
9.1: 5(abc), 16, 17, 19
9.2: 4, 20(ab)
9.3: 9(abc), 12 (abc), 20

s9