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numpy.ma.power
ma.power(a, b, third=None)[source]- 
    
Returns element-wise base array raised to power from second array.
This is the masked array version of
numpy.power. For details seenumpy.power.See also
Notes
The out argument to
numpy.poweris not supported,thirdhas to be None. 
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 https://numpy.org/doc/1.20/reference/generated/numpy.ma.power.html