>>> "UB" == Uwe Brauer <oub@mat.ucm.es> writes:

> Hi

> Please consider 

> * matlab :results output src :exports results: exports code  :eval never-export

> #+begin_src matlab :results output src :exports results: exports code  :eval never-export
> clear all
> A=[1 1 0; 0 1 0; 0 1 1];
> B=[0 1; 1 0; 0 1];
> C=[1 1 1];
> D=0;
> sys=ss(A,B,C,D)
> #+end_src


> #+RESULTS:

> #+begin_example

> sys =
 
>   A = 
>        x1  x2  x3
>    x1   1   1   0
>    x2   0   1   0
>    x3   0   1   1

> #+end_example

> When I export this to latex, I obtain

> \begin{verbatim}

> sys =
 
>   A = 
>        x1  x2  x3
>    x1   1   1   0
>    x2   0   1   0
>    x3   0   1   1

> \end{verbatim}

Of course I can always add

#+ATTR_LATEX: :environment lstlisting

After I executed the code, but this is a bit cumbersome