#2.13-2
x=var('x')
y=function('y',x)
de=diff(y,x,2)+4*diff(y,x,1)+3*y==65*cos(2*x)
desolve(de,y)

r,

SageDays/Kreyszig-2.13-2 (last edited 2010-08-12 09:58:09 by satishbillade)