title: SVM parameter tuning
body: <p>I am newbie to using svm for classification. I want to tune svm parameters by <code>.TrainAuto</code>function in EmguCV. But I don't know what are the range(min-max value) of below parameters that I should give to this function to search:</p>
  
  <p>1- C (for poly and RBF kernels)</p>
  
  <p>2- Gamma (for poly and RBF kernels)</p>
  
  <p>3- Coeficient (for poly kernel)</p>
  
  <p>4- Degree (for poly kernel)</p>
  
  <p>What are the range of these parameters?</p>
  
  <p>Do these ranges depends on the number of samples?</p>
  
  <p>As I receive the out of memory allocation error, can I set step parameter to a large value and when I found optimal values approximately, set these range to a smaller one and search on the second range with smaller step?</p>