BASIC PARTIAL
DIFFERENTIAL EQUATIONS
BASIC PARTIAL
DIFFERENTIAL EQUATIONS
David Bleecker
George Csordas
Department of Mathematics
University of Hawaii
Honolulu, Hawaii
~ VAN NOSTRAND REINHOLD
~ _ _ _ _ _ NewYork
Copyright 1992 by Van Nostrand Reinhold
Sof

This chapter examines the role of philosophy, a
key foundational discipline in the work of the
teacher. First, we describe philosophy; then we
discuss four different philosophies and analyze their
applications to the classroom.
Philosophical knowledge has

Math 402-PDEs
Fall 2016
Homework 1
Due 9/16
1. Find the general solution to the following ODEs
(a)
dy
= xex+y
dx
ey dy = xex dx,
ey = xex ex + c
y = ln[ex xex c]
(b) f 00 + 4f = 0
f (x) = A cos(2x) + B sin(2x)
(c) f 00 4f = 0
f (x) = Ae2x + Be2x .
(d) x0