annotate general/numerical/stochastic.m @ 61:eff6bddf82e3 tip

Finally implemented perceptual brightness thing.
author samer
date Sun, 11 Oct 2015 10:20:42 +0100
parents e44f49929e56
children
rev   line source
samer@4 1 function [Y,Z]=stochastic(X),
samer@4 2 % stochastic - make rows sum to one (like probabilities)
samer@4 3 % optionally returns the row sums as well
samer@4 4 %
samer@4 5 % stochastic :: [[N,M]] -> [[N,M]], [[N]].
samer@4 6
samer@4 7 Z=sum(X,2);
samer@4 8 Y=X./repmat(max(Z,realmin),1,size(X,2));
samer@4 9