MATLAB Answers

M@lik Ali

Subscripted assignment dimension mismatch.

Asked by M@lik Ali
on 10 Oct 2012

Hi all i am using the fallowing code for the svm classification

svmstruct=svmtrain(PosNegF,group); for l=1:999

                       abc= svmclassify(svmstruct, DB1(l,:)) 
                       Fset(l,:) =[ l,abc];
end
here DB is the Feature matrix of the 999 images.

Now when first time i execute this code it work fine, but when next time i train the SVM and then run again this code it give the Subscripted assignment dimension mismatch. error. please help me. Thanks in advance

  3 Comments

Because, the result or data (svmstruct) will be stored in workspace. To avoid this, you can do with command before this by adding 'clear svmstruct'.

M@lik Ali
on 10 Oct 2012

i try clear svmstruct but still the error is same. please help me..

M@lik Ali
on 10 Oct 2012

At every iteration of loop svmclassify return 1 or 0 only.

then why it giving the dimension mismatch error. even same for the first time.

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1 Answer

Matt J
Answer by Matt J
on 10 Oct 2012
Edited by Matt J
on 10 Oct 2012

execute the command dbstop if error at the command line. Then rerun your code. When the error occurs and you get the K>> prompt, check the value/sizes of abc and F.

  0 Comments


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