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Numpy version of itertools.product.
Sometimes faster (for large inputs)...
Parameters
----------
X : list-like of list-likes
Returns
-------
product : list of ndarrays
Examples
--------
>>> cartesian_product([list('ABC'), [1, 2]])
[array(['A', 'A', 'B', 'B', 'C', 'C'], dtype='<U1'), array([1, 2, 1, 2, 1, 2])]
See Also
--------
itertools.product : Cartesian product of input iterables. Equivalent to
nested for-loops.
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Index compat for np.tile.
Notes
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Does not support multi-dimensional `num`.
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