# Heaviside Step Function between 0 and 1 in Python (if else mathematical expression)

The numpy.sign() function returns a result between -1 and 1 which was not useful in my case…

To limit the outcomes in the range of 0 and 1 you could still use the numpy.sign() function and write it as follows:

`(0.5 * (np.sign(var) + 1))`

Cheers

Tags: function, heavyside, python, sing, step

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