Differential Equations : Math 211,  Fall 2008

The exact outline will be updated as we go along.  Ignore the green color outline.

Homework will be collected every Wednesday. Out of the collected problems each week, two or more will be graded.


Week Section Topic Exercises Homework due

Due Date
1 1.1 Modeling p.14: 2,3, 4, 5, 7, 8, 10, 11a, 15
p.14:  4, 8
1/30

1.2 Separation of variables
p.33: 1, 2, 3, 7, 9, 11, 15, 23, 25, 27, 33, 35   
p.34: 11, 15
1/30

1.3 Slope fields p.48: 1, 5, 8, 9, 11, 13, 14, 15, 16, 17, 18
p.50: 14, 16
2/6
2 1.4 Euler's method
p. 63:1, 5, 6, 10, 13
p.63: 6, 13
2/6

1.5 Existence/Uniqueness p. 73: 1, 3, 5, 9, 11, 14, 17
p.74: 11, 14
2/6

1.6 The phase line p. 91: 1, 3, 5, 7, 13, 15, 17, 19, 22, 23, 29,
          32, 33, 34, 35, 38, 44 
p.92: 22, 32, 34,
         38
2/13
3
1.7 Bifurcations p. 107: 1, 3, 5, 7, 9, 17 p.107: 3, 5
2/13

1.8 Linear equations p. 123: 4, 5, 7, 15, 19, 20, 21
p.123: 4, 7, 20
2/20
4
1.8





1.9
Integrating factor
p.135: 1, 5, 7, 10, 19, 21
p.135: 7, 10
2/20
5
2.1 Modeling via systems p. 164: 1, 3, 7, 16, 20
p.164: 1, 7
2/27

2.2 Geometry of systems p.182: 1, 3, 4, 7, 8, 12, 13
p.182: 3. 7, 13
3/7 (Friday)
6
2.4
Euler's method for systems
p.209: 1, 3, 11
p.209: 3
3/7 (Friday)

2.3 Special systems p.196: 1, 5, 7, 9, 15, 17, 19
p.196: 7, 15, 19
3/19


Review



7

Exam 1 (tentatively 3/5, Wed)




3.1 Linear Systems p. 252: 5, 15, 24
p.252: 15, 24
3/26
8 3.2 Straight Line Solutions p. 271: 3, 7, 8, 11, 21, 23
p.271: 7, 23 
3/26

3.3 Real eigenvalues
p. 261:1,5,9,13 p.261: 5, 13
3/26

3.4 Complex Eigenvalues p. 304: 1, 2, 3, 5, 9, 11, 15, 17, 19 (optional)
p.304: 2, 9, 15
3/26
9
3.5 Zero eigenvalues (repeated
eigenvalues will be skipped)
p.323: 18, 19
p.323: 18
4/2

3.6 Second order linear equations
p. 336: 7, 9, 11, 23, 31
p.336: 7, 9
4/2

4.1 Forced harmonic oscillators p. 393: 1, 7, 9, 12, 19, 21, 33, 36, 37


10
4.2 Sinusoidal Forcing p. 406: 1, 7, 13, 19



4.3 Resonance p. 419: 1, 5, 9, 13


11
6.1 Laplace Transforms p. 571: 3, 6, 11, 13, 15, 17,25



6.2 Discontinuous Functions p. 517:1,5,7,9,17

12
6.2





6.3 Second Order Equations p.593: 3, 5, 6, 11, 15, 19, 20, 21, 27, 29


13

Review





Exam 2



14
5.1
Equilibrium point analysis





Review