Method test_ptp

numpy/matrixlib/tests/test_defmatrix.py:112–116

(self)

        assert_equal(np.min(x, axis=1), matrix([[1], [4]]))

    def test_ptp(self):
        x = np.arange(4).reshape((2, 2))
        assert_(x.ptp() == 3)
        assert_(np.all(x.ptp(0) == np.array([2, 2])))
        assert_(np.all(x.ptp(1) == np.array([1, 1])))

    def test_var(self):
        x = np.arange(9).reshape((3, 3))