

Fall 09 Math 256: Introduction to Differential Equations
CRN: 13709
Instructor: Edward Richmond
Syllabus.
Tentative Schedule.
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Solutions to Midterm1.
Midterm1 Extra Credit assignment (Due Monday, 11/02!).

Homework Assignments:
Note: Many of the problems at the end of each section are modeled after the worked out examples proceeding them. Reading over these examples before starting the HW can make life easier!
HW1, Due Wed, 10/7:
Read 1.1, 1.2, 1.3
Section 1.1: 1, 2, 4, 6, 15-20, 21, 22
Section 1.2: 1abc, 3abc, 7
Section 1.3: 1-9, 12, 14, 16, 18
HW2, Due Wed, 10/14:
Read 2.1, 2.2, 2.3
Section 2.1: 13, 15, 16, 18, 20, 30, 31
Section 2.2: 1, 3, 4, 6, 11a, 12a, 19a, 20a, 29
Section 2.3: 1, 2, 4, 7, 9
HW3, Due Fri, 10/23:
Read 2.4, 2.5
Section 2.4: 1, 3, 4, 7, 9, 10, 22, 24, 25
Section 2.5: 2, 3, 4, 7, 8, 11, 12, 14
HW4, Due Wed, 10/28:
Read 2.6, 2.7
Section 2.6: 1, 4, 5, 10, 11, 12, 15, 17, 18
Section 2.7: 1abd, 2abd, 3abd, 4abd (You will need a calculator for these problems)
HW5, Due Wed, 11/4:
Read 3.1, 3.2, 3.3
Section 3.1: 1, 3, 5, 8, 9, 10, 11, 17, 18, 20, 21, 22
Section 3.2: 1, 2, 4, 5, 6, 7, 8, 9, 13, 14, 17, 19, 21
HW6, Due Wed, 11/11:
Read 3.3, 3.4, 3.5
Section 3.3: 2, 4, 5, 7, 9, 11, 13, 17, 18, 27, 32
Section 3.4: 1, 3, 5, 9, 11, 12, 18, 21
Section 3.5: 1, 2, 3, 5, 7
HW7, Due Fri, 11/20:
Read 3.5, 4.1
Section 3.5: 11, 13, 14, 20a, 22a, 23a, 26a
Section 4.1: 1, 3, 5, 7, 8, 12, 13, 15, 17, 20a
HW8, Due Wed, 11/25:
Read 4.2, 4.3
Section 4.2: 1, 2, 3, 4, 7, 8, 10, 11, 12, 15, 20, 29, 30 (for 29, 30, do not plot the graphs)
Section 4.3: 1, 2, 3, 7, 9 (do not plot the graph), 13, 14, 15