Python 3.3.1 (default, Apr 17 2013, 22:32:14) [GCC 4.7.3] on linux >>> import numpy >>> numpy.__version__ '1.8.0.dev-d62f11d'
>>> numpy.array((1,2,3)) / 2 array([ 0.5, 1. , 1.5]) #ok, but since division of integer arrays has been converted to float, pow is expected as well, but it's not: >>> numpy.array((1,2,3)) ** -1 array([1, 0, 0], dtype=int32) >>> numpy.array((1,2,3)) ** -2 array([1, 0, 0], dtype=int32) >>> 3**-1 0.3333333333333333 D.
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