On Wed, 17 Jan 2018, Fabrice Couvreur wrote:
Hello,
This macro that is not mine worked very well. I just tested the following
file and there is a problem.
Otared has already answered your question but ...
\math{M^3=\startpmatrix
\NC 2 \NC 3 \NC 6 \NC 4 \NC 2 \NC 7 \NC 3 \NC 1 \NR
\NC 3 \NC 0 \NC 1 \NC 1 \NC 2 \NC 3 \NC 6 \NC 4 \NR
\NC 6 \NC 1 \NC 4 \NC 4 \NC 4 \NC 9 \NC 10 \NC 6 \NR
\NC 4 \NC 1 \NC 4 \NC 4 \NC 5 \NC 8 \NC 8 \NC 3 \NR
\NC 2 \NC 2 \NC 4 \NC 5 \NC 2 \NC 7 \NC 3 \NC 1 \NR
\NC 7 \NC 3 \NC 9 \NC 8 \NC 7 \NC 8 \NC 10 \NC 3 \NR
\NC 3 \NC 6 \NC 10 \NC 8 \NC 3 \NC 10 \NC 4 \NC 1 \NR
\NC 1 \NC 4 \NC 6 \NC 3 \NC 1 \NC 3 \NC 1 \NC 0 \NR
\stoppmatrix}
If you type a lot of such matrices, you might find the attached module
interesting. Using it you can use matlab-like syntax for writing matrices:
\usemodule[simplematrix]
\definesimplematrix[MATRIX][fence=parenthesis, align=middle]
\starttext
$\MATRIX{1,2,3,4;5,6,7,8;9,10,11,12}$
\stoptext
Aditya
%D \module
%D [ file=t-simplematrix,
%D version=2014.02.18,
%D title=\CONTEXT\ User Module,
%D subtitle=Simple matrix,
%D author=Aditya Mahajan,
%D date=\currentdate,
%D copyright=Aditya Mahajan,
%D email=adityam <at> ieee <dot> org,
%D license=Simplified BSD License]
\writestatus{loading}{Simple matrix (ver: 2014.02.18)}
\startmodule[simplematrix]
\unprotect
\definenamespace
[simplematrix]
[ \c!type=module,
\c!name=simplematrix,
\c!command=\v!yes,
setup=\v!list,
\s!parent=simplematrix,
]
\setupsimplematrix
[
\c!distance=\emwidth,
\c!mathstyle=,
fence=bracket,
\c!align=
]
\appendtoks
\setevalue{\currentsimplematrix}{\usesimplematrix[\currentsimplematrix]}
\to \everydefinesimplematrix
\newtoks\simplematrixtoks
\define[1]\simplematrix_row
{\processcommalist[#1]\simplematrix_col
\appendtoks \NR \to \simplematrixtoks}
\define[1]\simplematrix_col
{\appendtoks \NC #1 \to \simplematrixtoks}
\unexpanded\def\usesimplematrix
{\dodoubleargument\usesimplematrix_indeed}
\def\simplematrix_left
{\edef\p_left{\namedmathfenceparameter{\simplematrixparameter{fence}}\c!left}%
\normalleft\ifx\p_left\empty.\else\Udelimiter\plusfour\fam\p_left\relax\fi
\,}
\def\simplematrix_right
{\edef\p_right{\namedmathfenceparameter{\simplematrixparameter{fence}}\c!right}%
\,
\normalright\ifx\p_right\empty.\else\Udelimiter\plusfive\fam\p_right\relax\fi}
\def\usesimplematrix_indeed[#name][#options]#matrix%
{\begingroup
\edef\currentsimplematrix{#name}%
\setupsimplematrix[#name][#options]%
\simplematrixtoks\emptytoks
\startusemathstyleparameter\simplematrixparameter
\appendtoks
\bgroup
\startmathmatrix
[
\c!distance=\simplematrixparameter\c!distance,
\c!left=\simplematrix_left,
\c!right=\simplematrix_right,
\c!align=\simplematrixparameter\c!align,
]
\to \simplematrixtoks
\processlist[];\simplematrix_row[#matrix]%
\appendtoks \stopmathmatrix \egroup \to \simplematrixtoks
\the\simplematrixtoks
\stopusemathstyleparameter
\endgroup}
\protect
\stopmodule
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