X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?p=CreaPhase.git;a=blobdiff_plain;f=octave_packages%2Fnnet-0.1.13%2F__mae.m;fp=octave_packages%2Fnnet-0.1.13%2F__mae.m;h=ab06bdc073cfc1f0c0060c5dd121d6a6bf1930e9;hp=0000000000000000000000000000000000000000;hb=c880e8788dfc484bf23ce13fa2787f2c6bca4863;hpb=1705066eceaaea976f010f669ce8e972f3734b05

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+## Copyright (C) 2007 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, write to the Free
+## Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+## 02110-1301, USA.
+
+## -*- texinfo -*-
+## @deftypefn {Function File} {}@var{perf} = __mae (@var{E})
+## @code{__mse} returns the Mean-Square-Error of a vector E
+##
+## @example
+##
+## This function is used to calculate the perceptron performance
+## @end example
+##
+## @end deftypefn
+
+## @seealso{__mse}
+
+## Author: Michel D. Schmid
+
+function perf = __mae(E)
+
+  ## check number of inputs
+  error(nargchk(1,1,nargin));
+
+  if iscell(E)
+    perf = 0;
+    elements = 0;
+    for i=1:size(E,1)
+      for j=1:size(E,2)
+        perf = perf + sum(sum(E{i,j}.^2));
+        elements = elements + prod(size(E{i,j}));
+      endfor
+    endfor
+    perf = perf / elements;
+  else
+    error("Error vector should be a cell array!")
+  endif
+
+
+endfunction
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