choosrnk (2).rar

function x=choosrnk(n,k) %CHOOSRNK All choices of K elements taken from 1:N with replacement. [X]=(N,K) % The output X is a matrix of size ((N+K-1)!/(K!*(N-1)!),K) where each row % contains a choice of K elements taken from 1:N with duplications allowed. % The rows of X are in lexically sorted order. % % To choose from the elements of an arbitrary vector V use % V(CHOOSRNK(LENGTH(V),K)). % Copyright (c) 1998 Mike Brookes, mike.brookes@ic.ac.uk % Version: $Id: choosrnk.m 713 2011-10-16 14:45:43Z dmb $ % % VOICEBOX is a MATLAB toolbox for speech processing. % Home page: http://www.ee.ic.ac.uk/hp/staff/dmb/voicebox/voicebox.html % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % 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 of the License, 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 can obtain a copy of the GNU General Public License from % http://www.gnu.org/copyleft/gpl.html or by writing to % Free Software Foundation, Inc.,675 Mass Ave, Cambridge, MA 02139, USA. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% x=choosenk(n+k-1,k); x=x-repmat(0:k-1,size(x,1),1);