Re: putting a matrix in LaTeX-format [newbie]

[c.]

On 17 Dec 2011, at 10:19, BVBA NuKey Music wrote:

> Is there a function in octave which produces the necessary LaTeX-code 
> starting from an array with data was produced by Octave.
> Now I have each time to copy/paste the result in my LaTeX-document, add an & 
> between each value and terminate each row with a \\,  then add the following 
> lines:
> \begin{displaymath}
> \mathbf{X}=
> \left(\begin{array}{ccc......c}
> 
> 
> 
> \end{array}\right)
> \end{displaymath}
> 
> thanks in advance
> nukey
> _____

Or, you could use the one below,
that I found among my own scripts.
c.



## Copyright (C) 2011 Carlo de Falco <cdf _AT_ users.sourceforge.net>
## 
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 3 of the License, or
## (at your option) any later version.
## 
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
## GNU General Public License for more details.
## 
## You should have received a copy of the GNU General Public License
## along with Octave; see the file COPYING.  If not, see
## <http://www.gnu.org/licenses/>.


function printlatextable(colheaders,rowheaders,data,filename)

  f = fopen(filename,"w");

  %%table format
  fprintf(f,["\\begin{tabular} { c | *{ %d }{ >\\scriptsize c} }"
             "  \n \\toprule \n"],\
          columns(data));

  %%column headers
  for ii = 1:columns(data)
    fprintf(f,[ "&" colheaders{ii}]);
  end
  fprintf(f,"\\\\ \\midrule \n");

  %%row headers and row data
  for ii = 1:rows(data)
    fprintf(f,rowheaders{ii});
    fprintf(f,"& %.3g",data(ii,:));
    fprintf(f,"\\\\ \n");
  end
  fprintf(f,"\\end{tabular}");
  fclose(f);

endfunction