A=matrix([[-1,3],[2,0]])
print A.eigenvalues()
print A.eigenvectors_left()
a=A*A
print a.eigenvalues()
print a.eigenvectors_left()
//A has same eigen vectors as A*A
//A*A has eigen values as squares as of A

* Radha Bhukya, student, SNIST * Usha Rani,student, SNIST