MATH 219 2007-2008 FALL SEMESTER SUGGESTED PROBLEMS One of the questions in each examination will be taken from this list
7th edition 8th edition (SEE CONVERSION GUIDE )
1.1: 1,11,13,21 1.2: 2,3,6 1.3: 1,4,5,7,12,14,21,24,26 2.1: 12,28,30,34 2.2: 10,21,25
Math 219, Lecture 2
Ali Devin Sezer September 30, 2010
1
Review of the previous lecture
1. An informal introduction to dierential equations. 2. Introduction of the types of diential equations that this course will be concerned about 3. Classication of die
Math 219, Lecture 3
Ali Devin Sezer October 5, 2010
1
Numerical approximation of dierential equations, Eulers method
dy = f (t, y ), dt
Consider the rst order initial value problem: y (0) = y0 . (1)
The variable t is denoted with the letter t because many
Math 219, Lecture 8
Ali Devin Sezer October 21, 2010
Contents
1 Second order dierential equations 2 First order, second order, what is the dierence? 2.1 First order equations in R2 . . . . . . . . . . . . . . . . . . . 2.2 The general rst order dierential