# Math 225 Homework Assignments

Schedule
Date Assigned Section Problems Date Due Notes
W 1/26/11
Handout Section 1.1
2, 3, 6, 8, 10, 14, 15
W 2/2/11
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W 1/26/11
Handout Section 1.2
4, 7, 8, 14, 20, 22b
W 2/2/11
Note: link above contains the problems for both sections!
W 2/2/11
Handout Section 1.2
24, 25, 26, 28
W 2/9/11
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W 2/2/11
Handout Section 1.3
2, 3, 6, 8
W 2/9/11
--
W 2/2/11
Handout Section 1.4
2, 4, 6, 8, 12, 14, 19
W 2/9/11
--
W 2/9/11
Handout Section 1.5
5, 9, 11
W 2/16/11
Write a computer program to solve the equations using Euler's Method. If the true solution is given, graph the true solution and the Euler solution on the same graph.
W 2/9/11
Handout Section 1.5
12
W 2/16/11
EXTRA CREDIT
W 2/16/11
Handout Section 2.2
4, 5, 7, 12, 18, 20, 24, 34
M 2/21/11
Note the unusual due date!!!!
W 2/16/11
Handout Section 2.3
4, 5, 10, 11, 12, 17, 18
M 2/21/11
Note the unusual due date!!!!
W 2/23/11
Handout Section 3.2
2, 4, 5, 8, 10, 21
W 3/2/11
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W 3/2/11
Handout Section 3.2
11, 14, 15
W 3/9/11
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W 3/2/11
Handout Section 3.6
2, 4, 5, 6
W 3/9/11
Note: write computer programs to solve problems 5, 6.
W 3/9/11
Handout Section 4.1
1, 2, 4
W 3/16/11
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W 3/9/11
Handout Section 4.2
2, 3, 5, 8, 14, 17, 18, 19
W 3/16/11
Note: Theorem 2 is the Existence and Uniqueness Theorem for second-order linear ode's.
W 3/9/11
Handout Section 4.3
3, 5, 8, 10, 11, 14
W 3/16/11
Note: "Definition 3" is the definition of linear independence of two functions from linear algebra.
W 3/16/11
Handout Section 4.5
2, 3, 8, 12, 13, 18, 19, 25, 29, 52
W 3/30/11
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W 3/16/11
Handout Section 4.6
1, 4, 8, 9, 18, 19, 22, 25, 29a, 38
W 3/30/11
--
W 3/30/11
Handout Section 4.7
2, 5, 9, 11, 14
M 4/4/11
Note: unusual due date!
W 3/30/11
Handout Section 4.8
3, 5, 8, 10, 16, 21, 27, 30, 32, 39, 43, 45
M 4/4/11
Note: unusual due date!
W 4/6/11
Handout Section 4.9
2, 5, 9, 15, 22, 23
W 4/13/11
Note: for problem 23, Eqn 1 is y''+p(x)y'+q(x)y = g(x)
W 4/13/11
Handout Section 5.2
1, 3, 4, 10, 13, 14
W 4/20/11
#15, 17 are extra credit and require you to find and use phase plane plotting software
W 4/13/11
Handout Section 5.4
1, 4, 6
W 4/20/11
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W 4/13/11
Handout Section 7.2
4, 7, 10
W 4/20/11
Note: Definition 1 is the definition of Laplace transform
W 4/20/11
Handout Section 7.2
5, 11, 13, 18, 23, 24, 28, 29
W 4/27/11
Note: Definition 1 is the definition of the Laplace transform
W 4/20/11
Handout Section 7.3
3, 5, 7, 15, 18, 24, 28, 31
W 4/27/11
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W 4/27/11
Handout Section 7.4
1, 6, 7, 10, 14, 22, 23, 25, 26, 31, 33
W 5/4/11
--
W 4/27/11
Handout Section 7.5
2, 4, 7, 9, 12, 14, 25, 36
W 5/4/11
--
W 5/4/11
Handout Section 7.6
2, 3, 5, 6, 7, 13, 14, 20, 30, 31
W 5/11/11
Last Homework!!