#Kreyszig Problem set 2.9 Question 15
var('x')
y=function('y',x)
print desolve(diff(y,x,2)+1.5*diff(y,x)-y==(12*x*x)+(6*x*x*x)-(x*x*x*x),[y,x],ics=[0,4,-8])

SageDays/Kreyszig-2.9-15 (last edited 2010-08-11 12:10:15 by belindadcunha)