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  • #328

Closed
Open
Created Jun 06, 2021 by Lukas Platz@lplatzDeveloper

What is the correct gradient at zero for `pointwise.unit_step`?

I just noticed that the gradient of the pointwise function unit_step is set to be always zero.

Is that correct, or should we return np.nan if the input is exactly zero, like for examples sign does?

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