Re: when executing a src block with latex construct, display problem because of +

["Berry, Charles" via "General discussions about Org-mode." <emacs-orgmode@gnu.org>]

Uwe,

> On May 15, 2021, at 6:31 AM, Uwe Brauer <oub@mat.ucm.es> wrote:
> 
> 
> Hi 
> 
> I have the following src block
> 
> #+begin_src matlab :results output raw :exports code  :eval never-export
> addpath /home/oub/ALLES/HGs/Matlab-init/Statistic
> sens=0.7;
> spec=0.95;
> aspec=1-spec;
> prob=0.1;
> sal=1-prob;
> [bp,bpinv,bn,bninv]=mibayes(sens,spec,prob);
> disp('\begin{align*}')
> disp('P(\text{Covid19}|\text{+})&=\frac{P(\text{+}|\text{Covid19})P(\text{Covid19})}{P(\text{+}|\text{Covid19})P(\text{Covid19})+P(\text{+}|\text{No-Covid19})P(\text{No-Covid19})}\\')
> fprintf('P(\\text{No-Covid19}) &= 1- P(\\text{Covid19}) = 1-%g=%g\\\\ \n',prob,sal)
> fprintf('P(\\text{+}|\\text{No-Covid19}) &= 1-    P(\\text{-}|\\text{No-Covid19}) = 1-%g=%g \\\\ \n',spec,aspec)
> fprintf('&=\\frac{%g \\cdot %g}{%g\\cdot%g + (1-%g)\\cdot %g}\\\\ \n',spec,prob,spec,prob,spec,sal)
> fprintf('P(\\text{Covid19}|-)&=%g \\\\ \n', bp);
> fprintf('P(\\text{No-Covid19}|+)&=1-P(\\text{Covid19}|+)=%g \\\\ \n', bpinv);
> disp('\end{align*}')
> #+end_src
> 
> That is exported to 
> #+RESULTS:
> \begin{align*}
> P(\text{Covid19}|\text{+})&=\frac{P(\text{+}|\text{Covid19})P(\text{Covid19})}{P(\text{+}|\text{Covid19})P(\text{Covid19})+P(\text{+}|\text{No-Covid19})P(\text{No-Covid19})}\\
> P(\text{No-Covid19}) &= 1- P(\text{Covid19}) = 1-0.1=0.9\\ 
> P(\text{+}|\text{No-Covid19}) &= 1-    P(\text{-}|\text{No-Covid19}) = 1-0.95=0.05 \\ 
> &=\frac{0.95 \cdot 0.1}{0.95\cdot0.1 + (1-0.95)\cdot 0.9}\\ 
> P(\text{Covid19}|-)&=0.000139982 \\ 
> P(\text{No-Covid19}|+)&=1-P(\text{Covid19}|+)=0.99986 \\ 
> \end{align*}
> 
> Now in my org mode file, the lines between the +
> 
> \text{+})&=\frac{P(\text{+}|\text{Covid19})P(\text{Covid19})}{P(\text{+}|\text{Covid19})P(\text{Covid19})+P(\text{+}|\text{No-Covid19})P(\text{No-Covid19})}\\ 
> 
> Get a overstrike.
> 
> How can I avoid that?


Customize `org-src-lang-modes' adding ` ("matlab" . octave)'.

HTH,

Chuck