From: Rasmus <rasmus@gmx.us>
To: emacs-orgmode@gnu.org
Subject: Re: latex equations and $ sign
Date: Fri, 06 Jun 2014 17:00:03 +0200 [thread overview]
Message-ID: <8738fixevg.fsf@gmx.us> (raw)
In-Reply-To: CAKrPhPOde-ABMYYB0Y7hfJvy7Qp32Y9p-HzDkqekq-=5W2Gm9g@mail.gmail.com
Federico Beffa <beffa@ieee.org> writes:
> Hi,
>
> I would like to have a mathematical equation typeset in latex and
> automatically generated by sympy, embedded in an equation environment:
>
> #+NAME: mass-energy
> #+BEGIN_SRC python :results raw :exports results :wrap EQUATION
> import sympy as sp
> E, m, c = sp.symbols('E, m, c', real=True, positive=True)
> E = m*c**2
> return sp.latex(E)
> #+END_SRC
>
>
> #+NAME: eq:1
> #+RESULTS: mass-energy
> #+BEGIN_EQUATION
> c^{2} m
> #+END_EQUATION
>
> The problem I'm facing is that despite the fact that the equation is
> already in a mathematical mode latex environment, it still gets sub- and
> superscripts surrounded by a $ sign. Here is the generated latex snippet:
>
> \begin{equation}
> \label{eq:1}
> c$^{\text{2}}$ m
> \end{equation}
>
> Is there a way to teach org-mode not to insert $ signs in equation
> environments?
Is there a reason you are not using a mode argument like this:
#+NAME: mass-energy
#+BEGIN_SRC python :results raw :exports results :post
import sympy as sp
E, m, c = sp.symbols('E, m, c', real=True, positive=True)
E = m*c**2
return sp.latex(E, mode="inline")
#+END_SRC
#+RESULTS: mass-energy
$c^{2} m$
Alternatively, if you need to combine stuff you could use the post
argument
#+name: wrapper
#+BEGIN_SRC emacs-lisp :var x=""
(format "\\(%s\\)" x)
#+END_SRC
#+NAME: mass-energy
#+BEGIN_SRC python :results raw :exports results :post wrapper(x=*this*)
import sympy as sp
E, m, c = sp.symbols('E, m, c', real=True, positive=True)
E = m*c**2
return sp.latex(E)
#+END_SRC
#+RESULTS: mass-energy
\(c^{2} m\)
—Rasmus
--
El Rey ha muerto. ¡Larga vida al Rey!
next prev parent reply other threads:[~2014-06-06 14:57 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-06 10:47 latex equations and $ sign Federico Beffa
2014-06-06 14:10 ` Jorge A. Alfaro-Murillo
2014-07-09 13:32 ` Federico Beffa
2014-06-06 15:00 ` Rasmus [this message]
2014-07-09 13:31 ` Federico Beffa
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