[NTG-context] Border matrix

Fabrice L fabrice.alpha at gmail.com
Fri Apr 20 05:07:35 CEST 2018


Wolfgang, thanks so much ! Everything is clear now, and works fine.

I will explore the mathalignment environment, which I’m not used to.
Fabrice.


Le 19 avril 2018 à 16:14:51, Wolfgang Schuster (schuster.wolfgang at gmail.com)
a écrit:

1. The bordermatrix code is part of the core and you can remove it from
cont-new.mkiv.

2. To use the \equalign command you have to enable the special meaning of &
in math mode with \setupmathematics[ampersand=normal].

3. User the new mathalignment environment as replacement for \equalign
which avoids special characters like &.

Wolfgang

Fabrice L <fabrice.alpha at gmail.com>
19. April 2018 um 22:05
Dear list,

Some months ago, Hans wrote to this list (see below) a macro to do matrix
showing outside the brackets some informations (like we usually do for
Markov chains), but adapted some plain tex code, which worked in MKII). I
have used with success this code since then, but some weeks ago, the
behavior of Context had changed (probably something on my part; I have
updated the installation, but nothing changed).

The problem (I think) is linked to \unprotect \protect. When this code is
put before the \starttext to the the cont-new-mkiv, the border matrix
behave well, but a simple \eqalign like this:

\startformula
\eqalign{ & \lambda=5, \mu =5 \cr
       & \mu=8 \cr }
\stopformula

do not works is I replace «  \lambda » by « \lambda_2 » for example. I have
no idea what’s is going on. here is a minimal example where Hans’s code is
before the \starttext:

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