SVM(支持向量机) 支持向量机不错的讲解 http://blog.csdn.net/v_july_v/article/details/7624837 (很好) http://www.cnblogs.com/jerrylead/archive/2011/03/13/1982639.html http://www.cnblogs.com/jerrylead/archive/2011/03/13/1982684.html 为什么引入拉格朗日算子可以求出极值 http://blog.csdn.net/WSXLK168/article/details/46119219