Hi,
On Mon, May 1, 2023 at 5:27 PM Stefan Haller via ntg-context
<ntg-context@ntg.nl> wrote:
>
> Hi all,
>
> I wanted to define a custom math function (similar to log etc.) for
> argmax. However, I wanted to have a small space between "arg" and "max"
> and limits should work properly. I am using a up-to-date LMTX installation.
>
> Without the first constraint it's easy:
>
> > % old way:
> > \definemathcommand[argmax][limop]{\mfunction[argmax]}
> > % new way, discoverd by looking into math-def.mkxl
> > \definemathfunction[argmax]
>
> However, both methods do not work if I want to have "arg\,max" printed
> (error about \endcsname missing). With mkiv the first method works and
> can also be found in the wiki[1].
>
> What's the current way to define such a custom math function?
>
> Thanks!
> Stefan
>
> [1]: https://wiki.contextgarden.net/Math/functions
This works here (but maybe there should be a simpler way):
\definemathfunction
[argmax]
[mathlimits=auto]
\setupmathlabeltext
[en]
[argmax=arg\sixperemspace max]
\startTEXpage[offset=1ts]
\im{
\argmax_{a\in A} f(a)
}
\blank[big]
\dm{
\argmax_{a\in A} f(a)
}
\stopTEXpage
/Mikael
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