Method test__mul__matrix

linear_algebra/src/test_linear_algebra.py:162–169

test for Matrix * operator

(self)

        assert a.determinant() == -5

    def test__mul__matrix(self) -> None:
        """
        test for Matrix * operator
        """
        a = Matrix([[1, 2, 3], [4, 5, 6], [7, 8, 9]], 3, 3)
        x = Vector([1, 2, 3])
        assert str(a * x) == "(14,32,50)"
        assert str(a * 2) == "|2,4,6|\n|8,10,12|\n|14,16,18|\n"

    def test_change_component_matrix(self) -> None:
        """