```Date: Apr 4, 2013 11:50 PM
Author: Nasser Abbasi
Subject: Re: Thresholding

On 4/4/2013 10:44 PM, Thomas Bunn wrote:> What is the MatLab function for the following routine?>>          for n=1:N+1>              for m=1:N+1>                  if F(n,m)>Thresh;>                      F(n,m)=F(n,m) - Thresh;>                  else>                      F(n,m)=0;>                  end>              end>          end>> Thanks for the tip.>EDU>> F=rand(5);F =     0.8147    0.0975    0.1576    0.1419    0.6557     0.9058    0.2785    0.9706    0.4218    0.0357     0.1270    0.5469    0.9572    0.9157    0.8491     0.9134    0.9575    0.4854    0.7922    0.9340     0.6324    0.9649    0.8003    0.9595    0.6787EDU>> thresh=.5;EDU>> F(F<thresh)=0     0.8147         0         0         0    0.6557     0.9058         0    0.9706         0         0          0    0.5469    0.9572    0.9157    0.8491     0.9134    0.9575         0    0.7922    0.9340     0.6324    0.9649    0.8003    0.9595    0.6787EDU>> F(F>=thresh)=F(F>=thresh)-thresh     0.3147         0         0         0    0.1557     0.4058         0    0.4706         0         0          0    0.0469    0.4572    0.4157    0.3491     0.4134    0.4575         0    0.2922    0.4340     0.1324    0.4649    0.3003    0.4595    0.1787
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