mxnet.np.flip¶
-
flip
(m, axis=None, out=None)¶ Reverse the order of elements in an array along the given axis.
The shape of the array is preserved, but the elements are reordered.
- Parameters
m (ndarray or scalar) – Input array.
axis (None or int or tuple of ints, optional) –
Axis or axes along which to flip over. The default, axis=None, will flip over all of the axes of the input array. If axis is negative it counts from the last to the first axis.
If axis is a tuple of ints, flipping is performed on all of the axes specified in the tuple.
out (ndarray or scalar, optional) – Alternative output array in which to place the result. It must have the same shape and type as the expected output.
- Returns
out – A view of m with the entries of axis reversed. Since a view is returned, this operation is done in constant time.
- Return type
ndarray or scalar
Examples
>>> A = np.arange(8).reshape((2,2,2)) >>> A array([[[0, 1], [2, 3]], [[4, 5], [6, 7]]]) >>> np.flip(A, 0) array([[[4, 5], [6, 7]], [[0, 1], [2, 3]]]) >>> np.flip(A, 1) array([[[2, 3], [0, 1]], [[6, 7], [4, 5]]]) >>> np.flip(A) array([[[7, 6], [5, 4]], [[3, 2], [1, 0]]]) >>> np.flip(A, (0, 2)) array([[[5, 4], [7, 6]], [[1, 0], [3, 2]]])