[scikit-learn] Double hinge loss

[Alan G. Isaac]

On 7/11/2022 1:19 AM, Maroan K wrote:
> 
> Could anyone please give the derivative of the double hinge loss (DH)?
> 
> DH = max(-wx,max(0, 1/2 - 1/2 * wx))
> 
> I guess the derivative of DH is usually -wx , is this right?
> 
> Sorry if this is not the right place to ask such a question.


1. The right place for such a question is e.g. https://math.stackexchange.com/
2. Since it is hinged, it is not everywhere differentiable.

Alan Isaac
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