## Math 321 Assignments

Assignment 1: Problems 4.2, 5.2, 8.2, 10.10a, 12.5
(due Monday, September 17)

Assignment 2: Problems 13.2, 14.2, 14.3,
Computer Problem 1
(due Monday, September 24)

Assignment 3: Problems 18.3, 18.5, 19.1, 21.1 (except (a)), 22.1 a,b
and phase plane sketch (due Monday, October 1)

Assignment 4: Problems 24.6, 26.2, 26.14, 28.1,
Computer Problem 2
(due Monday, October 8)

Assignment 5: Problems 32.3, 33.1, 34.3, 34.7, 37.5, 38.2
(due Wednesday, October 17)

Assignment 6: Problems 39.4, 44.3 (i), (ii), 45.1 a,b, 46.4
(due Friday, October 26)

Assignment 7: Problems 47.2
(do for parts b,f,m of 45.1. Consider isoclines
along which dy/dx=0, finfinity, and corresponding to x=0,y=0), 49.1,
50.1,50.2.

(due Monday, November 5)

Assignment 8: Problems 50.3, 50.4
(only using Taylor series), 50.5 (use eigenvalues of matrix to
determine stability), 54.2a, 54.5, 54.11

(due Monday, November 12)

Assignment 9: Problems 57.2a, 57.5
(Consider x(0) = beta and sketch paths for different beta), 57.6, 58.1, 59.1

(due Wednesday, November 21 -- there is no Math 321 class that day,
so please place assignment under my door).

Assignment 10: Problems 61.1, 63.1 (omit a), 65.1, 65.3, 65.5, 67.1
(due Wednesday, November 28)

Assignment 11: Problems 71.1, 73.5, 73.6
(due Wednesday, December 5 -- deadline extended until 12 noon on December 7)

Assignment 12: Problems 77.1, 78.2
(due Wednesday, December 12)