On 5/5/05, Paul A. Rubin <[EMAIL PROTECTED]> wrote:
> > Hope this isn't too simple.... I'd like to define a quick way in Lyx of
> > entering this construct for entering a system of equations:
> >
> > $\left\{ \begin{array}{rrrrr}
> > \\\end{array}\right.$
> >
> > Currently I achieve this by using the Math panel to insert an unmatched
> > left squiggly brace, then a 2 x 5 matrix right justified by column, and
> > this takes a boring number of keystrokes.
> >
> > I tried defining a macro, but of course I can't edit it.
> >
> > Is there any way of creating a macro that puts objects on the screen that
> > you can edit?
>
> Alas, you can have nine editable entries but not 10. Had you asked for
> a 2x4 matrix, there would be a way to do it with a macro. In the
> minibuffer, type something like
>
> math-macro myArray 8
>
> where the 8 indicates you will have 8 editable entries. In the macro
> definition box, insert the left brace, the 2x4 array (with right
> justification) and the right null delimiter. Then (still in the macro
> definition box) switch into each cell and enter an argument index in the
> form #1, #2, ..., #8. When you invoke the macro with \myArray inside a
> math environment, you'll get editable cells in which to enter the eight
> arguments. The limit is nine (the indexing must be '#' followed by a
> single digit, and #0 won't fly).
It would be even more interesting to have a macro able to accept a
variable number of entries, which would be chosen by the user. Is my
idea feasible?
Paul
