## Copyright (C) 1995, 1996, 1997 Kurt Hornik ## ## 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: logistic_rnd (r, c) ## ## Return an r by c matrix of random numbers from the logistic ## distribution. ## Author: KH <Kurt.Hornik@ci.tuwien.ac.at> ## Description: Random deviates from the logistic distribution function rnd = logistic_rnd (r, c) if (nargin != 2) usage ("logistic_rnd (r, c)"); endif if ( !(is_scalar (r) && (r > 0) && (r == round (r))) ) error ("logistic_rnd: r must be a positive integer"); endif if ( !(is_scalar (c) && (c > 0) && (c == round (c))) ) error ("logistic_rnd: c must be a positive integer"); endif rnd = - log (1 ./ rand (r, c) - 1); endfunction

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