||'''Book'''|| Linear Algebra ||
 ||'''Author'''|| Gilbert Strang ||
 ||'''Edition'''||  ||



{{{
a=matrix([[1,0,0,1,0,0],[-1,1,0,0,1,0],[0,-1,1,0,0,1]])
print '[A I]:',a
b=a.echelon_form()
print '[I A^-1]:',b
}}}

 * '''Solution by''': 
S.K.Manoj, Student, IIIT Hyderabad