For this problem,
I am trying to find the fundamental matrix, however, the eigenvalues are both imaginary and so are the eigenvectors. That is, ##\lambda_1 = 4i, \lambda_2 = -4i##
##v_1 = (1 + 2i, 2)^T##
##v_2 = (1 - 2i, 2)^T##
So I think I just have an imaginary matrix? This is because the...