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I am trying to describe a differential equation I am putting into NDSolveValue. However, it is complicated and I would like to express it in textbook form before I show how I have put it into Mathematica form. I have tried copying from traditional form but this does not work. Any suggestions?

Trying the suggestion I wish to copy the Laplacian so the Mathematica form is 

Laplacian[\[Phi][x, y, t], {x, y}]

then using TexForm

TeXForm[Laplacian[\[Phi][x, y, t], {x, y}]]

which gives

\phi ^{(0,2,0)}(x,y,t)+\phi ^{(2,0,0)}(x,y,t)

You then have to put a $ before and after as a delimiter.

$\phi ^{(0,2,0)}(x,y,t)+\phi ^{(2,0,0)}(x,y,t)$

This is not converting to textbook form here but it works fine on the main site. Thanks for the suggestions.

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  • Use TeXForm[] and copy it into the site, which supports MathJax. See this. – J. M.'s ennui♦ Aug 3 '16 at 15:39
  • @J.M. I still don't understand I have edited my post to try your suggestion. Thanks for the help. – Hugh Aug 3 '16 at 16:00
  • As noted in the help page I linked to, delimit your TeX with $ for inline display and $$ for centered display. Also, MathJax is apparently not enabled on meta, unlike in math.SE. – J. M.'s ennui♦ Aug 3 '16 at 16:03
  • @J.M. Thanks. I tried it out, as you say, you have to put the delimiter before and after. All works nicely now. – Hugh Aug 4 '16 at 8:23
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You may also highlight the output formula and select to Copy As | LaTeX.

enter image description here

This will paste as LaTeX.

\phi ^{(0,2,0)}(x,y,t)+\phi ^{(2,0,0)}(x,y,t)

This has the benefit of not needing to type in TeXForm. It also works on other formatted output like Grid.

Grid@Table[i - x^j, {i, 2}, {j, 2}]

\begin{array}{cc} 1-x & 1-x^2 \ 2-x & 2-x^2 \ \end{array}

Hope this helps.

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  • Thanks something else to experiment with. – Hugh Sep 14 '16 at 21:22

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