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


{{{
a=matrix([[2,3,1,0],[4,7,0,1]])    
b=a.echelon_form()
print copy(b).with_rescaled_row(0,1/2)print 'Thus this is of form [IA^-1]'
}}}


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