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numpy.ufunc.nin
ufunc.nin
-
The number of inputs.
Data attribute containing the number of arguments the ufunc treats as input.
Examples
>>> np.add.nin 2 >>> np.multiply.nin 2 >>> np.power.nin 2 >>> np.exp.nin 1
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https://docs.scipy.org/doc/numpy-1.13.0/reference/generated/numpy.ufunc.nin.html