线性回归、岭回归和Lasso回归:https://blog.youkuaiyun.com/hzw19920329/article/details/77200475 梯度下降方法和正规方程方法详解:https://blog.youkuaiyun.com/qq_23371241/article/details/78373888 正规方正方法推导过程:https://blog.youkuaiyun.com/weixin_39449570/article/details/78520543 感知机原理:https://www.cnblogs.com/huangyc/p/9706575.html 感知机理解:https://www.cnblogs.com/hapjin/p/6714526.html