x=var('x')
y=function('y',x)
de=(1*diff(y,x,x)+2.2*diff(y,x)+1.17*y)
desolve(de,y,ics=[0,2,-2.6])

SageDays/Kreyszig-2.2-15 (last edited 2010-08-10 13:37:42 by prabhat)