On Wed, 29 Jan 2003 19:43:47 +0100
Otared Kavian <[EMAIL PROTECTED]> wrote:
> On mercredi, jan 29, 2003, at 19:06 Europe/Paris, Mikael Persson
> wrote:
>
> > Hi everyone!
> >
> > I appologise if this question is answered before.
> >
> > I was trying to do some math in ConTeXt today, but failed. What I
> > wanted
> > to do was something similar to the \begin{cases}\end{cases} thing in
> > LaTeX (amsmath?). For the non-LaTeX-math-users, its something like
> > this:
> >
> > f(x)=
> > \begin{cases}
> > 0 & \text{if}\ x<0\\
> > 1 & \text{if}\ x\geq 0
> > \end{cases}
> >
> > and one gets something like this:
> >
> > / 0 if x<0
> > f(x) = <
> > \ 1 if x>=0
> >
> > I didn't find any commands that did this so I searched alittle in
> > the maillist archive and didn't find any solution to it.
> >
> > Are the amsmath commands available in one or another way or are the
> > implemented somehow?
> >
> > I found newmat and m-math but I didn't find a solution in either of
> > them.
> >
> > Are there any docs about how to type math in ConTeXt? I am also
> > interested in things that looks like eqnarray and other environments
> > in LaTeX's amsmath...
> >
> > Thanks in advance, Micke P
> > _______________________________________________
> > ntg-context mailing list
> > [EMAIL PROTECTED]
> > http://www.ntg.nl/mailman/listinfo/ntg-context
> >
> >
>
> Hi,
>
> You can use the Plain TeX structures \cases and \eqalign. here is an
> example:
>
> \starttext
> Let the function $f$ be defined by
> \placeformula[-]
> $$f(x) := \cases{
> \eqalign{
> & 1 \cr
> & 2 \cr
> & 3 \cr
> }\qquad
> \eqalign{
> &\hbox{if }\, x<-1 \cr
> &\hbox{if }\, -1\leq x \leq +2 \cr
> &\hbox{if }\, x >+ 2 \cr
> }\cr
> }$$
>
> \stoptext
>
> Regards: OK
Thank you so much! Both of you.
Regards, Micke P
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