||'''Book'''|| Linear Algebra || ||'''Author'''|| Gilbert Strang || ||'''Edition'''|| || {{{ a=matrix([[1,6,7],[5,2,1],[3,6,5]]) b=a.eigenvalues() c=a.transpose() d=c.eigenvalues() print bool( b == d ) e=a.eigenvectors_left() f=c.eigenvectors_left() print bool( e == f) }}} * '''Solution by''': * , , * , , * , ,