numpy.ma.shape

numpy.ma.shape(obj)[源代码]

Return the shape of an array.

Parameters:
a : array_like

Input array.

Returns:
shape : tuple of ints

The elements of the shape tuple give the lengths of the corresponding array dimensions.

参见

alen

ndarray.shape
Equivalent array method.

Examples

>>> np.shape(np.eye(3))
(3, 3)
>>> np.shape([[1, 2]])
(1, 2)
>>> np.shape([0])
(1,)
>>> np.shape(0)
()
>>> a = np.array([(1, 2), (3, 4)], dtype=[('x', 'i4'), ('y', 'i4')])
>>> np.shape(a)
(2,)
>>> a.shape
(2,)