#Kreyszig Pg.108 Problem set 2.9 Question 21
var('x')
y=function('y',x)
print desolve(diff(y,x,2)+diff(y,x)==2+2*x+x*x,[y,x],ics=[0,8,-1])

SageDays/Kreyszig-2.9-21 (last edited 2010-08-11 11:55:38 by S Micheal Ammal)