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From: | Michael Grossbach |
Subject: | Re: error evaluating binary operator |
Date: | Sat, 02 Aug 2008 18:23:31 +0200 |
User-agent: | Thunderbird 2.0.0.16 (Windows/20080708) |
Emily Moberg wrote:
Hi! I have the following for loop [m,o]=size(A) for n=1:o idx=find(A(:,n)==0); if length(idx)>=m*(.7); A(:,n)=[]; endif; endfor;and I keep getting an error evaluating binary operator '==' for the idx=find(A(:,n)==0) line. I'm not sure what I'm doing wrong... I'm still rather new at this, so sorry if this is a trivial question!Thanks!
Whenever the condition if length(idx)>=m*(.7) is met you eliminate the respective column with the command A(:,n)=[];but don't change o (the number of columns) accordingly. Hence n takes on an illegal value once it reaches beyond the actual size of A.
HTH, Michael
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