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numpy.vectorize.__call__
method
vectorize.__call__(*args, **kwargs)[source]- 
    
Return arrays with the results of
pyfuncbroadcast (vectorized) overargsandkwargsnot inexcluded. 
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Licensed under the 3-clause BSD License.
 https://docs.scipy.org/doc/numpy-1.16.1/reference/generated/numpy.vectorize.__call__.html