mxnet.np.flipud¶
-
flipud
(*args, **kwargs)¶ Flip array in the up/down direction.
Flip the entries in each column in the up/down direction. Rows are preserved, but appear in a different order than before.
- Parameters
m (array_like) – Input array.
- Returns
out – A view of m with the rows reversed. Since a view is returned, this operation is \(\mathcal O(1)\).
- Return type
array_like
Notes
Equivalent to
m[::-1,...]
. Does not require the array to be two-dimensional.Examples
>>> A = np.diag(np.array([1.0, 2, 3])) >>> A array([[1., 0., 0.], [0., 2., 0.], [0., 0., 3.]]) >>> np.flipud(A) array([[0., 0., 3.], [0., 2., 0.], [1., 0., 0.]])
>>> A = np.random.randn(2,3,5) >>> np.all(np.flipud(A) == A[::-1,...]) array(True)
>>> np.flipud(np.array([1,2])) array([2., 1.])
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