Table 3.
The most commonly used kernels for nonlinear SVM
| Kernel Name | Formula |
|---|---|
| Polynomial (homogeneous) | k(xi, xj) = (xi.xj)d |
| Polynomial (inhomogeneous) | k(xi, xj) = (xi.xj + 1)d |
| Gaussian radial basis function (RBF) | k(xi, xj) = exp(−γ||xi − xj||2) |
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