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previous -- view my teaching portfolio here

Instructions for downloading files

Ordinary and Partial Differential Equations , Math 285

Course Description (from the College):  Course covers ordinary and partial linear and nonlinear differential equations, Fourier series, separation of variables in partial differential equations. Applications to engineering and the physical sciences are noted. Not open to students with credit for MATH 255. Course meets general education requirement for the A.S. and A.A. degrees.  Prerequisite: Math 254 with a grade of C or better.

*Files on this page are mostly in .docx format (though some are in .pdf). If you have difficulty downloading them, see instructions linked in the left margin.

Syllabus -- in Word format

Homework

Important Dates
Exam I  -- Wednesday, April 11th exam key/study guide key
Exam II  -- Wednesday, May 2nd exam key/study guide key
Exam III  -- Monday, May 21nd exam key/study guide key
Final Exam -- Monday, June 4th at 6:00 p.m. exam key

more detailed schedule in the syllabus

Email List

via Blackboard

Grade Calculator -- javascript online grade calculator

Announcements:

Office: NH 497
My CSCC email: bmccall2@cscc.edu
Office hours: 3:30-5:20 MW, 4-6 TR, additional hours by appointment

Answer Keys

Quiz #1 -- key
Quiz #2 -- key
Quiz #3 -- key
Quiz #4 -- key
Quiz #5 -- key
Quiz #6 -- key
Quiz #7 -- key
Spring Problem -- key

Homeworks to be Turned in

Problems posted to Blackboard

Homework #1 key
Homework #2 key
Homework #3 key
Homework #4 key
Homework #5
Homework #6

Suggested Homework

Section	Suggested Problems (eoo=every other odd)
1.1	1-6, 15-20
1.2	a few
1.3	1-26
2.1	1-20, 30-31, 34-37
2.2	1-21
2.3	1-5, 7-11, 13-17, 20-23, 28, 30
2.4	1-16, 21, 23-25, 27-31
2.5	1-13
2.6	1-16, 18, 19-22, 25-30
3.1	1-24
3.2	1-20, 34-32, 36-38
3.3	1-23, 27, 29
3.4	1-14, 18, 23-30
3.5	1-26, (19-26 part a only)
3.6	1-18
3.7	1-7, 9-11, 13, 17, 19
3.8	1-12
5.1	1-27
5.2	1-18
10.1	1-20
10.2	1-11, 13-24
10.3	1-12, (7-12 part a only)
10.4	1-12, 15-26, 31-33
10.5	1-13
10.6	1-14
10.7	1-8
10.8	1-4

*eoo = every-other odd, for practice problems, it doesn’t matter to me whether you do 1,5, 9, 13, etc., or if you do 3, 7, 11, 15, etc.

Handouts

Eigenvalues and Eigenfunctions
Undetermined Coefficients (worksheet)
Sketching Fourier Series
Hyperbolic Trig Functions
Undetermined Coefficients
Characteristic Equations
Spring Problems
Bernoulli Equations

Proofs

Links:

PDF Graph Paper
I Will Derive song
How to draw Greek
GraphCalc
Plotting Vector Fields
Direction Field Grapher
Complex Numbers in Polar Form