#Kreyszig Pg.107 Problem set 2.9 Question 4
var('x')
y=function('y',x)
print desolve(diff(y,x,2)-diff(y,x)-2*y==3*exp(2*x),[y,x])

SageDays/Kreyszig-2.9-4 (last edited 2010-08-11 11:23:23 by S Micheal Ammal)