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


{{{
a=matrix([[1,0,0],[1,0,0],[1,0,0]])
i=matrix([[1,0,0],[0,1,0],[0,0,1]])
x=matrix([[4],[5],[6]])
print a*x
print i*x
}}}


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