Numpy 1.13
Numpy 1.13
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numpy.roll()

numpy.roll

numpy.roll(a, shift, axis=None) [source]

Roll array elements along a given axis.

Elements that roll beyond the last position are re-introduced at the first.

Parameters:

a : array_like

Input array.

shift : int or tuple of ints

The number of places by which elements are shifted. If a tuple, then axis must be a tuple of the same size, and each of the given axes is shifted by the corresponding number. If an