SVM - SVMTRAIN method SMO (error: No convergence achieved within maximum number of iterations)

I have been encountered with "No convergence achieved within maximum number of iterations" error. What can I do to fix the error? Please advise me

Answer 1

[Ilya]

You can increase the maximal number of iterations. See 'options' in the doc or help for svmtrain.

[hamed]

thank you for answer i increase MaxItr to inf, but did not fix the error.

[Ilya]

Then do one or all of:

• lower the box constraint
• increase tolkkt
• specify a positive value for kktviolationlevel
• try a different kernel function