## Copyright (C) 1996, 1997 Friedrich Leisch ## ## 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 file. If not, write to the Free Software Foundation, ## 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. ## usage: [in, out] = spiral_set (n, m, s) ## ## Returns a 2 class training set for a generalization of the two ## spirals problem. The two classes consist of spirals with n points per ## cycle and m cycles. Hence a training set is of size 2*n*m. ## ## If s is not zero, the points have Gaussian noise with mean zero and ## variance s^2 normal to the direction of the spiral. ## Author: FL <Friedrich.Leisch@ci.tuwien.ac.at> ## Description: Data for 2 spirals classification problem function [in, out] = spiral_set (n, m, s); if (nargin == 2) s = 0; endif in = ; out = ; endfunction

Generated by Doxygen 1.6.0 Back to index