Hi Jean-Philippe, The following is better than the one I sent earlier:
\definemathmatrix[mymatrix] [left={\left(\,}, right={\ \right)}] \starttext \startformula \startmymatrix \NC A \NC\hskip-.5em \vrule \NC\hskip-.5em B \NR \noalign{\hrule} \NC C \NC \hskip-.5em\vrule \NC \hskip-.5em D \NR \stopmymatrix \stopformula \stoptext Best regards: Otared K. > On 26 Nov 2020, at 10:19, Jean-Philippe Rey > <jean-philippe....@centralesupelec.fr> wrote: > > Dear list, > > I would like to draw matrices with internal lines as can be done with LaTeX > (cf pdf output) : > > ======================== > \documentclass{article} > \begin{document} > $M =\left( \begin{array}{c|c} > A & B \\ > \hline > C & D \\ > \end{array} \right)$ > \end{document} > ======================== > > I didn't find out how to use mathmatrix to achieve this. My best result to > date is > > ======================== > \starttext > $M = \left( \bTABLE[frame=off] > \bTR > \bTD[rightframe=on, bottomframe=on] $A$ \eTD > \bTD[bottomframe=on] $B$ \eTD > \eTR\bTR > \bTD[rightframe=on] $C$ \eTD > \bTD $D$ \eTD > \eTR > \eTABLE \right)$ > \stoptext > ======================== > > The code is rather ugly, and I get a spurious space at the bottom of the > table. > > Any hints? > > Thank you, > > -- > Jean-Philippe Rey > jean-philippe....@centralesupelec.fr > 91192 Gif-sur-Yvette Cedex - France > Empreinte PGP : 807A 5B2C 69E4 D4B5 783A 428A 1B5E E83E 261B BF51 > <blocmatrices-latex.pdf><blocmatrices-context.pdf>___________________________________________________________________________________ > If your question is of interest to others as well, please add an entry to the > Wiki! > > maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context > webpage : http://www.pragma-ade.nl / http://context.aanhet.net > archive : https://bitbucket.org/phg/context-mirror/commits/ > wiki : http://contextgarden.net > ___________________________________________________________________________________ ___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://context.aanhet.net archive : https://bitbucket.org/phg/context-mirror/commits/ wiki : http://contextgarden.net ___________________________________________________________________________________