Python cumvar示例

示例#1

文件： test_mymath.py 项目： Kim-Seongjung/artemis

def test_cumvar():

    arr = np.random.randn(3, 4)
    cum_arr = cumvar(arr, axis = 1, sample = False)
    assert np.allclose(cum_arr[:, 0], 0)
    assert np.allclose(cum_arr[:, 1], np.var(arr[:, :2], axis = 1))
    assert np.allclose(cum_arr[:, 2], np.var(arr[:, :3], axis = 1))

示例#2

文件： test_mymath.py 项目： QUVA-Lab/artemis

def test_cumvar():

    arr = np.random.randn(3, 4)
    cum_arr = cumvar(arr, axis = 1, sample = False)
    assert np.allclose(cum_arr[:, 0], 0)
    assert np.allclose(cum_arr[:, 1], np.var(arr[:, :2], axis = 1))
    assert np.allclose(cum_arr[:, 2], np.var(arr[:, :3], axis = 1))