L.S.-Soc&Gam <mailto:axteff...@gmail.com>
10. April 2016 um 02:33
Hi guys,
i've already searched the mailing list for this but i still am having
a problem while trying to create a matrix.
my code looks like this:
\startformula
S=\left(*\matrix**{*
\sigma_x *&* \tau_{xy} *&* \tau_{xz} *\cr*
\tau_{yx} *&* \sigma_y *&* \tau_{yz} *\cr*
\tau_{zx} *&* \tau_{zy} *&* \sigma_z *\cr*
*}*\right)_{xyz}
\stopformula
But since a few days, there are only empty braces after compilation.
The funny thing is, i worked already. but i've updated context at
least once since (only 5 days ago, betas included) and since then
after compiling there are only empty braces. When i enter
\startformula
S=\left(
1234
\right)_{xyz}
\stopformula
the 1234 shows fine between the braces. so it seems to have to do with
\matrix command in some way...
i don't know any alternative way to create a matrix. any help would be
appreciated.
Your code works fine here but I suggest to use ConTeXt’s own matrix
environment.
\starttext
\startformula
S = \startmathmatrix[left=\left(,right=\right)]
\NC \sigma_{x} \NC \tau_{xy} \NC \tau_{xz} \NR
\NC \tau_{yx} \NC \sigma_{y} \NC \tau_{yz} \NR
\NC \tau_{zx} \NC \tau_{zy} \NC \sigma_{z} \NR
\stopmathmatrix_{xyz}
\stopformula
\stoptext
Wolfgang
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