multiclass → kernel 关系

文件在 src/shogun/multiclass	在 src/shogun/kernel 中引用
GMNPLib.h	Kernel.h
LaRank.cpp	Kernel.h
LaRank.h	Kernel.h
tree / NbodyTree.h	Kernel.h
tree / RelaxedTree.cpp	GaussianKernel.h
ScatterSVM.cpp	Kernel.h
ScatterSVM.cpp	normalizer / ScatterKernelNormalizer.h