# Export LaTeX unaltered to a tex file?

Posted 1 year ago
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 I am trying to use Mathematica to combine computations and actual typesetting, as opposed to just typesetting in LaTeX. I would like to be able to type LaTeX into a Mathematica cell and have it sent through unaltered to the .tex file output when I export, so that TeX compiles it into an actual equation.I am aware of ToExpression and TeXForm, but when a cell in TeXForm is exported to a .tex document, it is escaped so that the raw TeXForm code is what shows in the final compiled PDF, rather than the typeset equation. Also, Mathematica's TraditionalForm is unable to display many things that LaTeX knows how to deal with. Is there any way for me to reliably type LaTeX code into my Mathematica document, and have it just sent through unescaped so that it can be compiled by LaTeX itself, rather than using mathematica expressions as an intermediary?Thanks very much for any response.
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Posted 1 year ago
 You may have a look at the MaTeX package by Szabolcs Horvát MaTeX.
 There's an error in the MaTeXInstall Resource Function: evaluating it in Mathematica 12.3.1 (under macOS 11.5.2) causes a Join error.
 I had a similar problem: Exporting TeXForm to a .tex file using Export["somefile.tex", TeXForm[...]] produced code that escaped all tex and rendered a PDF with the TeX code itself. Explicitly specifying the output format as "String" resolved the issue:Export["somefile.tex", TeXForm[...], "String"]