\mathematics

\mathematics

[Boris Tschirschwitz]

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Hi.

When writing math I like avoiding $ whenever possible by defining my math
operators with \mathematics, e.g.
\def\grp{\mathematics{G}}.
So far I was using this like I use \EnsureMath in LaTeX, but now I'm running
into problems in MPgraphics:
Texexec compiles the following file fine until I add the paragraph called
"Math in Math in MP". There it seems to somehow
choke on too many $ and \relax.

Is there a better way to do such definitions?

Thanks,
Boris.

PS: There's already a problem in the second to last paragraph where the G is
not set in math mode any more.


The example file:

\def\grp{\mathematics{G}}
\starttext
Test.

Running text:

A group \grp

Math:

$\grp$

$\grp_{\grp}$

Text in MP:

\startusableMPgraphic{groupone}
label(textext("\grp"),origin) ;
\stopusableMPgraphic

\useMPgraphic{groupone}

Math in MP:

\startusableMPgraphic{grouptwo}
label(textext("\mathematics{\grp}"),origin) ;
\stopusableMPgraphic

\useMPgraphic{grouptwo}

Math in Math in MP:

\startusableMPgraphic{groupthree}
label(textext("\mathematics{\grp_{\grp}}"),origin) ;
\stopusableMPgraphic

\useMPgraphic{groupthree}

\stoptext

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Re: \mathematics

[taco hoekwater]

Boris Tschirschwitz wrote:
> Hi.
> 
> When writing math I like avoiding $ whenever possible by defining my 
> math operators with \mathematics, e.g.
> \def\grp{\mathematics{G}}.
> So far I was using this like I use \EnsureMath in LaTeX, but now I'm 
> running into problems in MPgraphics:
> Texexec compiles the following file fine until I add the paragraph 
> called "Math in Math in MP". There it seems to somehow
> choke on too many $ and \relax.
> 
> Is there a better way to do such definitions?

I've changed my local definition of \mathematics to:

   \unexpanded\long\def\mathematics#1%
     {\relax\ifmmode#1\else $#1$\fi}

And that works nicely.

Cheers, Taco

Re: \mathematics

[Boris Tschirschwitz]

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Cool, it works nicely here, too.

Thanks,
Boris.

On 8/14/06, taco hoekwater <taco@elvenkind.com> wrote:
>
> Boris Tschirschwitz wrote:
> > Hi.
> >
> > When writing math I like avoiding $ whenever possible by defining my
> > math operators with \mathematics, e.g.
> > \def\grp{\mathematics{G}}.
> > So far I was using this like I use \EnsureMath in LaTeX, but now I'm
> > running into problems in MPgraphics:
> > Texexec compiles the following file fine until I add the paragraph
> > called "Math in Math in MP". There it seems to somehow
> > choke on too many $ and \relax.
> >
> > Is there a better way to do such definitions?
>
> I've changed my local definition of \mathematics to:
>
>    \unexpanded\long\def\mathematics#1%
>      {\relax\ifmmode#1\else $#1$\fi}
>
> And that works nicely.
>
> Cheers, Taco
> _______________________________________________
> ntg-context mailing list
> ntg-context@ntg.nl
> http://www.ntg.nl/mailman/listinfo/ntg-context
>

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