## Copyright (C) 2011 rudiger.achilles
## 
## 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 2 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/>.

## fattlu

## Author: rudiger.achilles <rudiger.achilles@RED41>
## Created: 2011-11-09

function [ ret ] = fattlu (a)
for k = 1 : length(a)
 for i = k+1 : length(a)
   a(i,k) = a(i,k)/a(k,k);
     for j = k+1 : length(a) a(i,j) = a(i,j)-a(i,k)*a(k,j);
     endfor;
 endfor;
endfor;
ret = a;
endfunction

