http://www.cnblogs.com/jerrylead/archive/2011/03/18/1988419.html smo詳細推倒
http://mp.weixin.qq.com/s/Uha_MJQtJiWRhBuVW32y9g svm
http://blog.csdn.net/xuanyuansen/article/details/41153023 smo的數學推導
http://blog.csdn.net/xuanyuansen/article/details/41078461 svm數學推導
http://blog.pluskid.org/?page_id=683 svm
這幾篇看完肯定會了