x=var('x')
k=var('k')
y=function('y',x)
de=(1*diff(y,x,x)+2*k*diff(y,x)+k*k*y)
desolve(de,[y,x])

SageDays/Kreyszig-2.2-9 (last edited 2010-08-10 13:34:24 by prabhat)