<--- On Dec 2, Mojca Miklavec wrote --->
1. What's the best way to frame a formula like here:
\placeformula
\startformula
\mframed{x^2+y^2=z^2}
\stopformula
The problem is that:
- formula number is shifted downwards in comparison to the formula
without a number
- I don't know how to do the settings (frame color, frame offset)
globally. There's no \setupmframed[...] command. It's probably
possible to use a sort of
\setupframed[whatever_setting_influencing_only_mframed],
but I don't know how.
Sorry, no idea on how to do this.
2. What's the general strategy when doing evel stuff with formula
numbering? I would like to use \eqalign and then number formulas like
on the following example:
z^2=x^2+y^2 (1)
=(x'-x_0)^2+(y'-y_0)^2 % no number
=R^2\cos^2(\phi) (2)
The following works. I still find the amsmath way of doing this much
easier, but equation numbering has not been ported to amsl module
\starttext
\placeformula
\startformula
\eqalignno{
z^2 &=x^2+y^2 &\formulanumber\cr
&=(x'-x_0)^2+(y'-y_0)^2 & \cr% no number
&=R^2\cos^2(\phi) &\formulanumber\cr
}
\stopformula
\stoptext
Can I somehow number the formulas (1), (2), (3.a), (3.b), (3.c), (4),
(5.1), (5.2)? I would like to manually provide where to start and stop
numbering with x.a or x.1, x.2.
Have a look at the wiki http://wiki.contextgarden.net/Math for the
manual way to number each subformula. I think one can define a
\start(stop)subformula[format = ??] to put a \place(sub)formula
automatically. But I do not know how to define such an environment
properly.
3. How can I put more than one equation in a row and number all of
them (as if they were placed in three columns)?
One way to cheat can be to start a three column mode
\starttext
\startcolumns[n=3,tolerance=verytolerant]
\placeformula
\startformula
E = mc^2
\stopformula
\column
\placeformula
\startformula
E = mc^2
\stopformula
\column
\placeformula
\startformula
E = mc^2
\stopformula
\stopcolumns
\stoptext
Again, one could define a start-stop environment for this.
4. How can I move the formula number one row lower in case that the
formula is too long and if it would overlap with the formula number
otherwise?
Not sure what you mean here. Context (rather tex, I think) does this
by default
\starttext
\placeformula
\startformula
a = bbbbbbbbbbbbbbbbbbbbbbbb ddddddddddddddddddddddddddd ccccccccccc
eeeeeeeeeeeeee fffffffffffffffff ggggggggggggggggggg
\stopformula
\stoptext
HTH,
Aditya
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