Maybe you need :exports and not :export.

John

-----------------------------------
Professor John Kitchin
Doherty Hall A207F
Department of Chemical Engineering
Carnegie Mellon University
Pittsburgh, PA 15213
412-268-7803
@johnkitchin
http://kitchingroup.cheme.cmu.edu



On Thu, Nov 29, 2018 at 8:20 AM Uwe Brauer <oub@mat.ucm.es> wrote:

> >>> "Eric" == Eric S Fraga <esflists@gmail.com> writes:
>
>    > On Thursday, 29 Nov 2018 at 12:38, Uwe Brauer wrote:
>    >> Now org-babel-tangle works nicely, but when I try to export the org
>    >> file to latex via org-export-dispatch
>
>    > I think the default is
>    > :exports results
>    > so you what you want is either
>    > :exports both
>    > or
>    > :exports code
>
> Thanks, but I tried
> #+begin_src matlab :tangle test.m  :export code   :wrap latex :padline no
> function [ll x]=mitest(A0,x0)
> % initialization
> format long
> epsi=1.e-3;
> nit=0;
> nmaxit=200;
> Delta=10;
> A=A0;
> while Delta>epsi & nit<nmaxit
>     nit=nit+1; % counter
> #+end_src
>
> The basic idea is.
> That we do.
> We also will
>
> #+begin_src matlab  :tangle test.m :export both  :wrap latex :padline no
>     y=A*x0;
> end
> #+end_src
>
>
> And I obtain always:
> \begin{document}
>
> %% [removed source block]
> The basic idea is.
> That we do.
> We also will
>
> %% [removed source block]
> \end{document}
>