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


{{{
a=matrix([[1,0,0],[5,1,0],[2,3,1]])
print 'matrix A:',a
print 'Inverse(A):'a.inverse()
print 'A triangular matrix is invertible if and only if no diagonal entries are zero.'
}}}



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