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Math 2280-001
2280-001 home page
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Homework assignments will usually be posted a week before they are due (generally on Fridays). A subset of the underlined problems will be graded; if a problem is not underlined it is recommended and/or may be good for practice, but need not be handed in. Solutions and point values for graded problems will be posted after assignments are collected.
Recommended homework_guidelines.pdf for formatting your homework solutions.
Due January 13
hw1.pdf
Sections 1.1-1.3.pdf and Sections 1.3-1.5.pdf of the text, for students who don't have the textbook yet.
hw1sols.pdf solutions
Grading: 20 points possible.
1.1: 6, 15, 29 = 2 points each; 34 = 1 point
1.2: 6, 16 = 2 points each; 26abc = 1 point each; w1.1a = 1 point, b = 2 points; w1.2abc = 1 point each.
Due January 20
hw2.pdf
lab2.pdf the subset of hw2 that was in our lab
hw2sols.pdf solutions
Grading: 20 points possible.
1.2: w2.1a,b = 2 points each
1.3: w2.2a, b = 2 points each
1.4: w2.3a, b, c = 2 points each, 1.4.4, 46, w2.5 = 2 points each.
Due January 27
hw3.pdf
lab3.pdf the subset of hw2 that was in our lab
hw3sols.pdf solutions
Grading: 20 points possible.
1.5: 14, 29, 33 = 2 points each; 38a = 1 point, 38b = 2 points; 38c = 1 point; w3.1a = 1 point, w3.1b = 2 points.
2.1: 6, 12 = 2 points each; 23ab = 1 point each; w3.3 = 1 point.
Due February 3
hw4.pdf
lab4.pdf the subset of hw4 that was in our lab
hw4sols.pdf solutions
Grading: 20 points possible.
2.2: w4.1a = 1, bc = 2 points each, d = 1 point.
2.3: 2ab = 1 point each; 3, 9 = 2 points each; 10, 12 = 3 points each
2.4-2.6: 2.4.4 = 2 points.
Due February 10
hw5.pdf
lab5.pdf the subset of hw5 that was in our lab
hw5sols.pdf solutions
Grading: 20 points possible.
2.6: w5.2b = 2 points (any tech choice is fine).
3.1: 6, 10 = 2 points each; w5.3ab = 1 point each
3.2: 8, 25 = 2 points each; w5.4c = 2 points; w5.5ab = 1 point each, w5.5cf = 2 points each.
Due February 17
hw6.pdf
hw6sols.pdf solutions
Grading: 20 points possible.
3.3: w5.6abcd, w5.7 = 2 points each
3.4: w6.1a = 2 points, bcde = 1 point each; w6.2ad = 1 point each, e = 2 points.
Due Tuesday February 28
hw7.pdf
hw7sols.pdf solutions
Grading: 20 points possible.
3.4: 5 = 1 point, 23 = 2 points, w7.1ab = 1 point each; c = 2 points.
3.5: w7.2abd = 2 points each; ef = 1 point each, 52 = 2 points, w7.3abc = 1 point each.
Due Tuesday March 7
hw8.pdf Note: Section 4.1 material is postponed until next assignment
hw8sols.pdf solutions
Grading: 20 points possible.
3.6: w8.1abcd, w8.2abcd, w8.3ab = 2 points each.
Due Tuesday March 21
hw9.pdf
hw9sols.pdf solutions
Grading: 20 points possible.
4.1: w8.1ab = 1 point each
5.1: w9.1a = 2 points
5.2: 34 = 2 points (solution to IVP only, not max salt amount); w9.2 = 2 points; w9.3ace = 1 point each, b = 2 points, d = 3 points.
5.3: 4, 11 = 2 points each.
Due Tuesday March 28
hw10.pdf
hw10sols.pdf solutions
Grading: 20 points possible.
5.4: 2, 8, 12, 16 = 2 points each; 18 = 3 points; w10.1ab, w10.2 = 2 points each; w10.3 = 3 points.
Due Tuesday April 4
hw11.pdf
hw11sols.pdf solutions
Grading: 20 points possible.
5.6: 1, 3, 23, 25 = 4 points each; 4 free points (because I gave bad advice on 39).
Due Tuesday April 11
hw12.pdf
hw12sols.pdf solutions
Grading: 20 points possible.
5.7: w12.1a, b = 3 points each
7.1-7.3: w12.3, 4 = 2 points each; w12.5a = 2 points, w12.5b = 1 point; w12.7 = 2 points, w12.8a = 2 points, b = 1 point; w12.10b = 2 points.
Due Tuesday April 18
hw13.pdf
hw13sols.pdf solutions
Grading: 20 points possible.
Laplace: w13.1ab = 1 point each, 7.5.31 = 3 points, 7.4.37, w13.2b, EP7.6, w13.3 = 2 points each.
Fourier: w13.4, 9.2.2, w13.5a = 2 points each; w13.5b = 1 point.
Due Wednesday April 26 at 6:00 p.m.
hw14.pdf
hw14sols.pdf
Due Monday May 1 at 6:00 p.m.
optional extra credit homework
extra_credit_hw.pdf