A=matrix(QQ, ([1,2,0,2],[-1,-2,1,1],[1,2,-3,-7]))
print A
print
b=vector([1,0,-2])
c=A.augment(b.transpose())
print
print c.echelon_form()

[0 0 1 3 1] [0 0 0 0 0]:

Strang-u-2,2.2-U (last edited 2010-12-17 10:04:35 by jyothi)