Method test_multivariate_normal

numpy/random/tests/test_smoke.py:461–471

(self)

        assert_(vals.shape == (10,))

    def test_multivariate_normal(self):
        rg = self._create_rng().rg
        mean = [0, 0]
        cov = [[1, 0], [0, 100]]  # diagonal covariance
        x = rg.multivariate_normal(mean, cov, 5000)
        assert_(x.shape == (5000, 2))
        x_zig = rg.multivariate_normal(mean, cov, 5000)
        assert_(x.shape == (5000, 2))
        x_inv = rg.multivariate_normal(mean, cov, 5000)
        assert_(x.shape == (5000, 2))
        assert_((x_zig != x_inv).any())

    def test_multinomial(self):
        rg = self._create_rng().rg