Add a useful package (from Source forge) for octave

[CreaPhase.git] / octave_packages / nnet-0.1.13 / ind2vec.m

diff --git a/octave_packages/nnet-0.1.13/ind2vec.m b/octave_packages/nnet-0.1.13/ind2vec.m
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+## Copyright (C) 2009 Luiz Angelo Daros de Luca <luizluca@gmail.com>
+##
+##
+## 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{vec}} = ind2vec (@var{ind})
+## @code{vec2ind} convert indices to vector
+##
+##
+## @example
+## EXAMPLE 1
+## vec = [1 2 3; 4 5 6; 7 8 9];
+##
+## ind = vec2ind(vec)
+## The prompt output will be:
+## ans = 
+##    1 2 3 1 2 3 1 2 3
+## @end example
+##
+## @end deftypefn
+
+## @seealso{vec2ind}
+
+function [vector]=ind2vec(ind)
+  # Converts indices to vectors
+  #
+  #
+  vectors = length(ind);
+  vector = sparse(ind,1:vectors,ones(1,vectors));
+endfunction