摘要: 今天学习Andrew NG老师《机器学习》之6 - 6 - Advanced Optimization,做笔记如下:用fminunc函数求代价函数最小值,分两步:1、自定义代价函数function [jVal,gradient] = costFunction(theta)jVal = (theta(... 阅读全文
posted @ 2015-11-18 20:21 Bob.Guo 阅读(247) 评论(0) 推荐(0)