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I typesetting a matrix with 12 columns in a latex block in org-mode and discovered I couldn't do it by default. Reading this question on the TeX stack exchange site made me think that I could just place \setcounter{MaxMatrixCols}{20} as the first command in the block. This didn't work. However, it does export correctly. Is there a way to place this option in my init.el so I don't have to remember this every time?

 #+BEGIN_LATEX
  \setcounter{MaxMatrixCols}{20}
  \begin{equation*}
  \mathbf{X} = 
  \begin{pmatrix}
  1 & 1 & 0 & 1 & 0 & 0 & 1 & 0 & 0 & 0 & 0 & 0 \\
  1 & 1 & 0 & 1 & 0 & 0 & 1 & 0 & 0 & 0 & 0 & 0 \\
  1 & 1 & 0 & 1 & 0 & 0 & 1 & 0 & 0 & 0 & 0 & 0 \\
  1 & 1 & 0 & 1 & 0 & 0 & 1 & 0 & 0 & 0 & 0 & 0 \\
  1 & 1 & 0 & 0 & 1 & 0 & 0 & 1 & 0 & 0 & 0 & 0 \\
  1 & 1 & 0 & 0 & 1 & 0 & 0 & 1 & 0 & 0 & 0 & 0 \\
  1 & 1 & 0 & 0 & 1 & 0 & 0 & 1 & 0 & 0 & 0 & 0 \\
  1 & 1 & 0 & 0 & 1 & 0 & 0 & 1 & 0 & 0 & 0 & 0 \\
  \end{pmatrix}
  \end{equation*}
  #+END_LATEX
  • Can you also post the generated LaTeX code? Maybe begin_latex macro generates an environment where this command can't be used? What is the exact error you are getting? (It will appear in the `*Org PDF ... output* buffer (can't remember the exact name). – wvxvw Mar 24 '15 at 15:01
  • 1
    Your example works on my system with org v8.2 and v8.3beta and Texlive 2014. – rasmus Mar 24 '15 at 15:52
  • BTW: You can also write the matrix as (eval it): (insert "\n#+LATEX_HEADER: \\setcounter{MaxMatrixCols}{20}\n#+ATTR_LATEX: :environment pmatrix :mode math :math-prefix \\mathbf{X}=\n | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |\n | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |\n | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |\n | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |\n | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |\n | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |\n | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |\n | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |") – rasmus Mar 24 '15 at 16:00
  • I discovered that it does work in the outputted PDF includes the matrix, the live preview feature doesn't know about it. – wdkrnls Mar 24 '15 at 16:20

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