DOC Add note on the max number of extmath.cartesian arguments
@@ -480,6 +480,10 @@ def cartesian(arrays, out=None):
[3, 5, 6],
[3, 5, 7]])
+ Notes
+ -----
+ This function may not be used on more than 32 arrays
+ because the underlying numpy functions do not support it.
"""
arrays = [np.asarray(x) for x in arrays]
shape = (len(x) for x in arrays)
