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


{{{
a=matrix([[1,0,0,0,1,0,0,0],[1,1,0,0,0,1,0,0],[1,2,1,0,0,0,1,0],[1,3,3,1,0,0,0,1]])
print '[A I]:',a
print '[I A^-1]:',a.echelon_form()

}}}



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