def eigen_calc(M):
x = Symbol('x')
M = Matrix(M)
I = Matrix([[x, 0, 0], [0, x, 0], [0, 0, x]])
MI = M - I
char_equation = MI.det()
a = Poly(char_equation, x)
eigen_values = np.roots(a.coeffs())
return eigen_values
def eigen_calc(M):
x = Symbol('x')
M = Matrix(M)
I = Matrix([[x, 0, 0], [0, x, 0], [0, 0, x]])
MI = M - I
char_equation = MI.det()
a = Poly(char_equation, x)
eigen_values = np.roots(a.coeffs())
return eigen_values