numpy.rollaxis(a, axis, start=0)
[source]
Roll the specified axis backwards, until it lies in a given position.
This function continues to be supported for backward compatibility, but you should prefer moveaxis
. The moveaxis
function was added in NumPy 1.11.
Parameters: |
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Returns: |
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See also
>>> a = np.ones((3,4,5,6)) >>> np.rollaxis(a, 3, 1).shape (3, 6, 4, 5) >>> np.rollaxis(a, 2).shape (5, 3, 4, 6) >>> np.rollaxis(a, 1, 4).shape (3, 5, 6, 4)
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https://docs.scipy.org/doc/numpy-1.17.0/reference/generated/numpy.rollaxis.html