def test_inverse3(self): self.assertEqual(get_inverse_matrix([[2, 3, 1], [3, 4, 2], [1, 1, 2]]), [[-6, 5, -2], [4, -3, 1], [1, -1, 1]])
def test_inverse2(self): self.assertEqual( get_inverse_matrix([[1, 0, 0], [1, -1, 0], [1, 0, 1]]), [[1, 0, 0], [1, -1, 0], [-1, 0, 1]])
def test_inverse_null(self): with self.assertRaises(SystemExit): main.get_inverse_matrix([[1, 2, 3], [4, 5, 6], [7, 8, 9]])
def test_inverse1(self): self.assertEqual(get_inverse_matrix([[1, 2], [3, 4]]), [[-2, 1], [1.5, -0.5]])
def test_inverse_3x3(self): self.assertEqual( main.get_inverse_matrix([[1, 0, 0], [1, -1, 0], [1, 0, 1]]), [[1, 0, 0], [1, -1, 0], [-1, 0, 1]])