Daniel@0: function [i,j] = pick(ndx)
Daniel@0: % PICK Pick an entry at random from a vector
Daniel@0: % function [i,j] = pick(ndx)
Daniel@0: %
Daniel@0: % i = ndx(j) for j ~ U(1:length(ndx))
Daniel@0: 
Daniel@0: dist = normalize(ones(1,length(ndx)));
Daniel@0: j = sample_discrete(dist);
Daniel@0: i = ndx(j);