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]])