which of the following is a nonlinear kernel function what is the difference between a linear and nonlinear kernel what is rbf in svm why is the rbf kernel more popular in svm? why is the kernel more popular in the support vector machine why are nonlinear kernels more popular why rbf is popular why is rbf more popular why is rbf more popular in svms why is rbf svm popular why is rbf used in svm why rbf is so popular why is rbf more popular in svm what are kernels used for in support vector machines? what is the difference between linear and nonlinear kernel function why do nonlinear kernels are more popular what functions can be used to separate data in the svm what is the purpose of each kernel function why is rbf kernel popular why is rbf a popular kernel