Create a composite array from repeated copies of an array
Parameters:
arr (ndarray) –
num (int or iterable of ints) – Number of copies per axis. If provided as tuple, must be the same length
as ‘axes’ parameter. In case of num being 0 or an empty iterable,
the inpur arr is returned.
axes (int or iterable of ints) – Axis/axes over which to copy.
Returns:
out
Return type:
ndarray
:raises ValueError : If num and axes are tuples of different lengths.: