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numpy.ufunc.nin

attribute

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-1.17.0/reference/generated/numpy.ufunc.nin.html