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Am writing this topic to state a solution to a common MATLAB error that may appears to you if you are using it for your research and study. The problem happens when using SVMtrain for classification , here is the error log :
Code:
??? Error using ==> svmtrain at 470
Unable to solve the optimization problem:
Maximum number of iterations exceeded; increase options.MaxIter.
To continue solving the problem with the current solution as the
starting point, set x0 = x before calling quadprog.



The solution to this problem is to increase the number of iteration of support vector machine train function .

Code:
   options = optimset('maxiter', 200); %options settings for SVMTRAIN
   svmStructs(j)=svmtrain(currentDescriptors,currentLabels,'quadprog_opts' , options);




_________________
M. S. Rakha, Ph.D.
Queen's University
Canada

Author: DrRakha
Mastermind
User avatar Posts: 2715
Have thanks: 74 time
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