numpy.roll — NumPy v2.3 Manual

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: aarray_likeInput array. shiftint or tuple of intsThe 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 num

[wkmy]

cyclicなshift．axis:Noneならば，全体．axis:0ならば，行ごとのシフト．axis:1ならば，列ごとのシフト．