Mercurial > hg > camir-aes2014

annotate toolboxes/FullBNT-1.0.7/KPMtools/pick.m @ 0:e9a9cd732c1e tip

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first hg version after svn
author wolffd
date Tue, 10 Feb 2015 15:05:51 +0000
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wolffd@0 1 function [i,j] = pick(ndx)
wolffd@0 2 % PICK Pick an entry at random from a vector
wolffd@0 3 % function [i,j] = pick(ndx)
wolffd@0 4 %
wolffd@0 5 % i = ndx(j) for j ~ U(1:length(ndx))
wolffd@0 6
wolffd@0 7 dist = normalize(ones(1,length(ndx)));
wolffd@0 8 j = sample_discrete(dist);
wolffd@0 9 i = ndx(j);