From mboxrd@z Thu Jan  1 00:00:00 1970
From: Uwe Brauer <oub@mat.ucm.es>
Subject: change tables to matrix when importing, including expressions.
Date: Thu, 13 Jun 2019 15:26:49 +0200
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Hi

I know that 
#+begin_src 
#+attr_latex: :mode math :environment matrix
| 0 | -5 |
| 5 |  0 |
#+end_src

Results in 


#+begin_src 
\[
\begin{matrix}
 0 & -5 \\
 5 & 0 \\
\end{matrix}
\]
#+end_src


However I would like 
#+begin_src 
#+attr_latex: :mode math :environment matrix
D=
| 0 | -5 |
| 5 |  0 |
#+end_src

To be exported as 

#+begin_src 
\[
D=
\begin{matrix}
 0 & -5 \\
 5 & 0 \\
\end{matrix}
\]
#+end_src

How can I do that? 

Thanks and regards

Uwe Brauer