Differentfromthe existingkernelfeatureextractionmethods, the kernel function used in the proposed one is notrequired tosatisfyMercerstheoremso that they can be chosen from a wide range.
Officials from the mercers' company, whose members originally dealt in luxury fabric, were summoned before the Privy Council in 1561 to explain "to explain why the price of silk was so high", according to historian Ian Doolittle.