Shape functions

Force a sequence of arrays including array scalars to each be at least 1-d. Force a sequence of arrays including array scalars to each be at least 2-d. Dimensions of length 1 are pre-pended to reach a two-dimensional array. Force a sequence of arrays including array .scalars to each be at least 3-d. Dimensions of length 1 are pre-pended to reach a two-dimensional array. Return a new array with the contents of arr shifted rolled by the amount given in the integer argument shift along the axis...