# Prob 1 - verification that a given function is a solution
var('c1 c2 x')
y=c1*exp((1+i)*x)+c2*exp((1-i)*x)
derivative(y,x,x)-2*derivative(y,x)+2*y

SageDays/Kreyszig-2.3-1 (last edited 2010-08-09 14:05:12 by AniketBasu)