Posted: September 18th, 2017

Differential Equations

Homework 1
Due Friday, August 7
For problems 1-3, classify each di erential equation by
a) whether it is an ordinary di erential equation or partial di erential
equation
b) the order of the di erential equation
c) whether it is linear or nonlinear
1.
d2y
dt2 y +

dy
dt
2
= et
2.
x
d3y
dx3 + x2 dy
dx
= 0
3. (Schrodinger equation) This equation describes the behavior of
a particle moving in an electric eld. Here i =
p