Add a useful package (from Source forge) for octave

[CreaPhase.git] / octave_packages / nnet-0.1.13 / __getx.m

diff --git a/octave_packages/nnet-0.1.13/__getx.m b/octave_packages/nnet-0.1.13/__getx.m
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+## Copyright (C) 2005 Michel D. Schmid     <michaelschmid@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 2, 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 this program ; see the file COPYING.  If not, see
+## <http://www.gnu.org/licenses/>.
+
+## -*- texinfo -*-
+## @deftypefn {Function File} {} @var{x} = __getx (@var{net})
+## @code{__getx} will rerange the weights in one columns vector.
+##
+##
+## @noindent
+## @end deftypefn
+
+
+## Author: Michel D. Schmid
+
+function x = __getx(net)
+
+  ## check number of inputs
+  error(nargchk(1,1,nargin));
+
+  ## check input args
+  ## check "net", must be a net structure
+  if !__checknetstruct(net)
+    error("Structure doesn't seem to be a neural network")
+  endif
+
+  ## inputs
+  x = net.IW{1,1}(:);
+  x = [x; net.b{1}(:)];
+
+  nNumLayers = net.numLayers;
+  for iLayers = 2:nNumLayers # 1 would be the input layer
+
+    ## layers
+    x = [x; net.LW{iLayers,iLayers-1}(:)];
+    x = [x; net.b{iLayers}(:)];
+
+  endfor
+
+
+endfunction
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