## 3a
/* given 3 vectors check whether it is independent or dependent*/
a=array([[1,2,3],[3,1,2],[2,3,1]])
b=det(a)
if b==0:
    print 'dependent'
else
    print 'independent'

## 3b
reset()
x=var('x')
y=function('y',x)
DE=diff(y,x,2) + 2*diff(y,x) +101*y -10.4*exp(x)
q=desolve(DE,[y,x])

Strang-2.3-3-U (last edited 2010-12-17 09:17:51 by punchagan)