Section  Problems 

Week 13 

10.5  7, 11, 22 
10.7  1a, 5a, 9 
Homework 10  
Week 12 

10.2  4, 9, 13, 15, 22ab Fourier Example from Class. Before you run any part of the examples. Open PeriodicPlot.nb and press the button. 
10.3  1a, 3a, 5a, 7a 
Homework 9  
Week 11 

9.3  5, 6, 9, 19abc 
9.4  1, 2, 5 
Week 10 

9.1  111abc (as many as you can stand), 17 *use phase plane (pplane) program to check your answer to part (c) 
9.2  1, 3, 5a*, 8a*, 10a*, Linearize and determine stability of critical points. 
9.3  5, 6, 9, 19abc 
9.4  1, 2, 5 
Week 9 

6.3  1, 3, 7, 11, 13, 15, 19, 24 
6.4  1, 3, 5, 7 
Week 7 

Mathematica is installed on all university computers. If you would like your own copy, follow the directions on this website. 

5.2  2, 5, 9, 15a 
5.3  5, 6, 8 
6.1  1, 5, 6, 9, 15 
6.2  1, 3, 5, 7, 8, 11, 13, 17, 18, 21, 24 
Homework 6  
Week 6 

3.7  3, 5, 7, 9, 13, 17, 19 
3.8  1, 5*, 7*, 9*, 10*, 11*, 18, 19 *just find the position function. 
5.1  18 (as much as you need) 
Homework 5 and Solutions  
Week 5 

3.4  7, 11, 17, 19, 25ab, 28 
3.5  1, 3, 6, 12, 14, 15ab, 18, 23*, 25*, 28* *Use Abel's Theorem instead of Reduction of Order. 
3.6  Method of Undetermined Coefficients Review 16, 8, 15, 17 
Homework 4 Solutions  
Week 4 

3.3  1, 11, 15, 17, 18, 20, 25 
Exam Friday  
Week 3 

2.4  2, 3, 7, 8, 13, 23, 25 
3.1  3, 5, 7, 11, 17, 22, 23, 27 
3.2  1, 5, 8, 11, 13, 14, 17, 23, 24 
Homework 3 and Solutions  
Week 2 

2.1  1c, 4c, 5c, 6c, 8c, 11c, 15, 18, 20, 33 
2.2  2, 3, 7, 10a, 12a, 13a, 27 
1.2  24 
2.3  1, 2, 3, 4, 5a, 17a 
Homework 2 and Solutions  
Week 1 

1.1  1*, 3*, 7, 11*, 1520, 21, 23, 26*, 28* *use the following direction field (dfield) program. 
1.2  4 
2.5  1, 2, 3, 4, 7, 8, 9, 12, 16a* *use the statement from problem 14. 
Homework 1 and Solutions  