www.gusucode.com > wavelet工具箱matlab源码程序 > wavelet/wavelet/@ntree/private/wunique.m
function y = wunique(x) %WUNIQUE Set unique. % WUNIQUE(A) for the array A returns the same values as in A % but with no repetitions. A will also be sorted. % M. Misiti, Y. Misiti, G. Oppenheim, J.M. Poggi 13-May-2003. % Last Revision: 25-May-2003. % Copyright 1995-2004 The MathWorks, Inc. if isempty(x) , y = []; return; end y = sort(x); d = diff(y); J = 1 + find(d>0); K = [1 ; J(:)]; y = y(K);