# Math 225 Homework Assignments:

Note: under dates below, "A" stands for Assigned; "D" stands for Due.
Dates: A:M 1/28/02 D:F 2/01/02 A:F 2/01/02 Section: Required Problems: Recommended Problems: Notes: 1.1 2, 3, 8, 10, 14, 16 5, 11, 15 1.2 4, 6, 7, 14, 20, 22b 1, 5, 21 1.2 24, 26, 27, 28 18 1.3 2, 4, 6, 8 3, 17 10 (extra credit) 1.4 2, 4, 5, 8, 12, 13 7, 9, 15 1.5 9,10 11,12,13 Write a computer program to solve the equations using Euler's Method. Graph the true solution and the Euler solution. Show results with more than one stepsize. 2.2 6, 12, 20, 22 5, 9, 13, 17, 23 2.3 6, 10, 12, 20 5, 11, 15, 17 3.2 2, 4, 6, 10, 11, 14, 15 5, 13 3.5 7, 8, 10, 19 Write computer programs to solve all problems except #4 Section 3.6 3.6 4, 5, 6 4.1 3 4 4.2 10, 12, 13, 18, 19, 20 9, 11, 17, 21 4.3 2, 5, 6, 8, 9, 10, 18 17, 24, 26 4.5 4, 6, 10, 14, 18, 20, 24, 32 Odd problems up through #31 4.6 4, 6, 12, 16, 22, 26 Odd Problems up through #30, 37 4.7 4, 5, 6, 8 4.8 3, 6, 8, 16, 17 27, 29 4.9 3, 4, 6 13, 17 Problem 12 was originally assigned, but I have removed it as you don't know how to find the homogeneous solution to this equation!! 5.2 1, 4, 6, 12, 16, 17, 26, 28 15, 25, 27, 29, 33 5.3 3, 4, 6, 11, 20 23, 24, 31 5.4 1, 4, 6 7.2 4, 6, 7, 10 7.2 14, 16, 19, 24, 28, 29 23, 27 7.3 3, 8, 10, 12, 16, 25 15, 19, 21 7.4 4, 5, 6, 7, 8 7.4 14, 16, 23, 24, 26, 30 7.5 4, 6, 10, 13, 36 7, 9, 25 7.6 6, 7, 30, 31 9, 29, 39 7.7 2, 14, 26, 29 9.3 3, 8, 10, 16, 18, 21, 23, 30(b-d only) 9.4 6, 10, 16, 20 9.5 2, 4, 11, 12, 18, 32, 35