Method test_xy

numpy/lib/tests/test_function_base.py:2341–2344

(self)

        assert_allclose(cov(x, aweights=np.ones(3)), res)

    def test_xy(self):
        x = np.array([[1, 2, 3]])
        y = np.array([[1j, 2j, 3j]])
        assert_allclose(cov(x, y), np.array([[1., -1.j], [1.j, 1.]]))

    def test_empty(self):
        with warnings.catch_warnings(record=True):