# [NTG-context] Problem with \definemathmatrix

Otared Kavian otared at gmail.com
Thu Jan 18 00:35:24 CET 2018

Hi Fabrice,

I think the problem comes from a blank line in your matrix (after your last line of entries in your matrix). The following works fine for me:

\definemathmatrix
[pmatrix]
[left={\left(\,},right={\,\right)}]

\starttext

\startformula
A = \startpmatrix
\NC 11 \NC 12 \NR
\NC 21 \NC 22 \NR
\stoppmatrix
\stopformula

\startformula
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
\stopformula

\stoptext

Best regards: OK

> On 17 Jan 2018, at 19:19, Fabrice Couvreur <fabrice1.couvreur at gmail.com> wrote:
>
> Hello,
> This macro that is not mine worked very well. I just tested the following file and there is a problem.
> Thank you
> Fabrice
>
> \definemathmatrix
>   [pmatrix]
>   [left={\left(\,},right={\,\right)}]
>
> \starttext
>
> \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}
>
> \stoptext
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