A = matrix(CC, [[4, 1-3j], [1+3j, 7]])
print A
A.eigenvalues()
A.charpoly('t')
A = matrix(CDF, [[3*j, 2+j], [-2+j, -j]])
print A
A.eigenvalues()
A.charpoly('t')
A = matrix(CC, [[(1/2)*j, (1/2)*(3^(1/2))], [(1/2)*(3^(1/2)), (1/2)*j]])
print A
A.eigenvalues()
A.charpoly('t')

Kreyszig-7.4-2 (last edited 2010-12-17 12:52:18 by sai9876543210abcd)