LibSVM 是优秀的SVM封装程序，这里提供 2.91 C++源代码下载。

Libsvm is a simple, easy-to-use, and efficient software for SVM classification and regression. It can solve C-SVM classification,nu-SVM classification, one-class-SVM, epsilon-SVM regression, and nu-SVM regression. It also provides an automatic model selection tool for C-SVM classification. This document explains the use of libsvm. 

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