转载地址：https://classroom.udacity.com/nanodegrees/nd009/parts/0091345404/modules/6c3629c4-a8c4-4cc4-8b52-d8c142b78236/lessons/5422370632/concepts/3758388700923
内核
帮助文档
http://scikit-learn.org/stable/modules/svm.html
原文：http://www.cnblogs.com/bettyty/p/6253739.html