Differential Equations (Summer 2009)

Class Time: Mon-Thurs 9:00 - 11:30 AM
Office Hours: Mon-Thurs 12:30 PM - 1:30 PM
Room: Krieger 308

Syllabus

JODE

Total Grade Stats

Mean 82%
StDev 15%
1st Quartile 72.9%
Median 85%
3rd Quartile 89.8%

Online Notes

Notes on showing t^ke^rt is a solution when a root has multiplicity. I made a mistake in my class notes for this. You are NOT responsible for the material in these notes, they are just there for anyone who wants to know or would like the challenge of reading them.

Exam Material

Midterm Review

Midterm Information

Average 129.8/155
StDev 18.8
1st Quartile 122/155
Median 135/155
3rd Quartile 140/155

Final Stuff

Final Laplace Transform Table
Final Review
Mean 143.2/180
StDev 29
1st Quartile 119/180
Median 145/180
3rd Quartile 165/180

Homework

Number Date Due Problems Averages, etc.
1 5/28/09 1.1 # 11, 20
1.2 # 2(c), 3(a)(c)
1.3 # 1,2,3,4,5,6,7
2.1 # 13, 21(b)(c)
Problems (A),(B),(C)
Mean 53.4/60
StDev 4.4
1st Quartile 51/60
Median 54.5/60
3rd Quartile 57/60
2 6/2/09 2.2 # 14(a)(c), 27(a), 37(a)(b)
2.3 # 32(a)(b)(c)
2.4 # 3, 9, 14, 30
Problem (A)
2.5 # 11, 26
2.6 # 10, 13, 26, 28
Problems (B),(C),(D)
Note that the end of problem (D) is on the second page
Mean 78.4/100
StDev 21.6
1st Quartile 78.5/100
Median 86/100
3rd Quartile 90.3/100
3 6/4/09 3.1 # 10, 24
3.2 # 3, 11, 25
Problem (A)
3.3 # 9, 19
3.4 # 12, 28
3.5 # 4
Problems (B),(C)
Mean 69.8/90
StDev 17.2
1st Quartile 58/90
Median 76/90
3rd Quartile 84/90
4 6/9/09 3.6 # 1, 8, 13
4.1 # 2, 19(a)(b)
4.2 # 11, 20 21
4.4 # 15 (There is an extra hint
for this on the pdf problems)
6.1 # 8, 12
Problems (A),(B),(C)
Note that the end of problem (C) is on page 2.
Mean 70.6/90
StDev 13.7
1st Quartile 55/90
Median 76/90
3rd Quartile 81/90
5 6/15/09 6.2 # 15, 23
6.3 # 13, 15, 23
(A)
6.4 # 3, 9
6.5 # 3, 7
(B)
Mean 48.7/60
StDev 8.3
1st Quartile 46/60
Median 50/60
3rd Quartile 54.5/60
6 6/16/09 6.6 # 19
7.1 # 3
7.2 # 10
7.3 # 15
Mean 35.9/40
StDev 5.8
1st Quartile 33.8/40
Median 39/40
3rd Quartile 39.3/40
7 6/18/09 7.3 # 20
7.5 # 2, 3, 21
(Note: there are no problems for 7.4)
(A), (B)
7.6 # 5, 6
7.8 # 2(c)
(Note: there are no problems for 7.7)
(C),(D),(E)
Mean 65.3/80
StDev 9
1st Quartile 62.3/80
Median 68.5/80
3rd Quartile 71/80
8 6/23/09 9.1 # 3(a)(b)(c), 5(a)(b)(c)
9.2 # 19(a)
9.3 # 10(a)(b)(c), 14(a)(b)(c), 18(a)(b)(c)
Problems (A),(B),(C)
Mean 32.3/40
StDev 6.7
1st Quartile 28.9/40
Median 31/40
3rd Quartile 39.3/40
9 6/24/09 9.6 # 2
9.7 # 4, 5
Problem (A)
Mean 23.6/30
StDev 6.6
1st Quartile 21.0/30
Median 23/30
3rd Quartile 29/30