A = matrix([[1, 2, 3], [0, 4, 5], [0, 0, 6]])
A.eigenvalues()

B = matrix([[0, 0, 1], [0, 2, 0], [3, 0, 0]])
B.eigenvalues()

C = matrix([[2, 2, 2]])
C.eigenvalues()

Strang-5.1-31-U (last edited 2010-12-18 10:48:17 by sonampy.cmi)