How would one go about contributing a fix to this? It should be easy. I
would be happy to try. Could you provide some links on how to do it?
El dia dimarts, 14 de setembre de 2021 a les 13:26:28 UTC+2, Michael
Orlitzky va escriure:
> On Fri, 2021-09-03 at 02:25 -0700, Pol del Aguila Pla wrote:
> > I've encountered a bug in minimize_constrained where it seems that the
> > variable name has an effect on the result. My guess is that this happens
> > somewhere along the translation from symbolic to numerical function.
> > Attached is a minimal notebook to reproduce the bug. Run in the latest
> > docker image sagemath/sagemath:latest.
> >
>
> minimize_constrained() is using the variables() method on your
> function, and variables() sorts said variables alphabetically. So, for
> example,
>
> sage: cm1,c0,c1 = SR.var('cm1,c0,c1')
> sage: f(cm1,c0,c1) = cm1 + c0 + c1
> sage: f.variables()
> (c0, c1, cm1)
>
> The minimizer is thus not in the order that you'd expect (i.e. not in
> the correct order to be passed to f). I opened
>
> https://trac.sagemath.org/ticket/32511
>
> for this.
>
>
>
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