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? Thanks and regards Uwe Brauer