... j 18 are used for positive de nite kernels, such as reproducing kernel, Mercer kernel, or support vector kernel The de nitions for positive de nite kernels and positive matrices di er only in ... Nature of Statistical Learning Theory Springer, N.Y., 1995 V Vapnik Statistical Learning Theory Wiley, N.Y., 1998 V Vapnik and A Chervonenkis A note on one class of perceptrons Automation and Remote ... real Hilbert space Examples of Kernels Besides 65, and 28 suggest the usage of Gaussian radial basis function kernels = exp , kx , x0 k2 kx; x 89 2 and sigmoid kernels kx; x0 = tanhx...