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On Sun, 23 Feb 2020, Daniel Volinski wrote:

I'm using the TeXmacs - Maxima interface. When I write in a Maxima cell the
following: cos(theta), I get as a response cos
of the Greek character known as vartheta not the Greek character theta. What
should I do in order to get the later.

This is defined in maxima itself. The file src/mactex.lisp, which is used to produce LaTeX output from maxima, contains

(defprop $theta "\\vartheta" texword)

You can write a short lisp file that redefines this property, and read it in the beginning of your maxima session (say, from the maxima init file). (Personally I think that the TeX \vartheta *is* the proper Greek letter theta. It seems the authors of maxima mactex.lisp think the same.)

Another question is, how can I put the actual Greek character theta in a
Maxima cell instead of writing the name of the
character?

I think this can be achieved by editing src/plugins/maxima/progs/maxima-input.scm
Near the end of this file, add the line
("<theta>" "theta")
Then the TeXmacs character <theta> will be sent to maxima as the ascii string theta (and this variable is displayed as the real greek letter in the output).

Andrey

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• TeXmacs - Maxima and the theta character, Daniel Volinski, 02/23/2020
  • Re: TeXmacs - Maxima and the theta character, Andrey G. Grozin, 02/24/2020
    • Re: TeXmacs - Maxima and the theta character, Daniel Volinski, 02/25/2020
      • Message not available
        • Re: TeXmacs - Maxima and the theta character, Daniel Volinski, 02/25/2020

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