svmtrain function does not exists

[bhaskatripathi]

Undefined function or variable 'svmtrain'.

Error in svm (line 29)
model=svmtrain(trainset,trainlabel,'kernel_function','rbf','kktviolationlevel',0.1);

Error in PSO (line 45)
[par(i).fit,par(i).acc,par(i).nfeat]=svm(X,Y,round(par(i).var));