<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[cursethegod的专栏]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/cursethegod</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; cursethegod]]></copyright><item><title><![CDATA[感知机原理]]></title><link>https://blog.youkuaiyun.com/cursethegod/article/details/80629882</link><guid>https://blog.youkuaiyun.com/cursethegod/article/details/80629882</guid><author>cursethegod</author><pubDate>Sat, 09 Jun 2018 08:09:21 +0800</pubDate><description><![CDATA[感知机模型感知机是一个二类分类的线性分类模型。所谓二类分类就是它只能将实例分为正类和负类两个类别。那么为什么是线性分类模型呢，我的理解是感知机学习旨在求出可以将数据进行划分的分离超平面，而分离超平面的方程w⋅x+b=0w⋅x+b=0为线性方程，所以感知机为线性分类模型。感知机模型如下图所示： 圈圈表示正类，而叉叉表示负类。圈圈与叉叉之间的直线即上文所说的分离超平面（注意分离超平面并不是唯一的！）它...]]></description><category></category></item><item><title><![CDATA[0范数，1范数，2范数]]></title><link>https://blog.youkuaiyun.com/cursethegod/article/details/80372718</link><guid>https://blog.youkuaiyun.com/cursethegod/article/details/80372718</guid><author>cursethegod</author><pubDate>Sat, 19 May 2018 11:22:31 +0800</pubDate><description><![CDATA[向量范数1-范数： ，即向量元素绝对值之和，matlab调用函数norm(x, 1) 。2-范数：，Euclid范数（欧几里得范数，常用计算向量长度），即向量元素绝对值的平方和再开方，matlab调用函数norm(x, 2)。-范数：，即所有向量元素绝对值中的最大值，matlab调用函数norm(x, inf)。p-范数：，即向量元素绝对值的p次方和的1/p次幂，matlab调用函数norm(x,...]]></description><category></category></item><item><title><![CDATA[taylor 语法错误]]></title><link>https://blog.youkuaiyun.com/cursethegod/article/details/80360741</link><guid>https://blog.youkuaiyun.com/cursethegod/article/details/80360741</guid><author>cursethegod</author><pubDate>Fri, 18 May 2018 10:24:07 +0800</pubDate><description><![CDATA[]]></description><category></category></item><item><title><![CDATA[matlab 设置网格线为虚线]]></title><link>https://blog.youkuaiyun.com/cursethegod/article/details/80359738</link><guid>https://blog.youkuaiyun.com/cursethegod/article/details/80359738</guid><author>cursethegod</author><pubDate>Fri, 18 May 2018 09:31:31 +0800</pubDate><description><![CDATA[]]></description><category></category></item><item><title><![CDATA[matlab 解线性方程组新格式]]></title><link>https://blog.youkuaiyun.com/cursethegod/article/details/80359060</link><guid>https://blog.youkuaiyun.com/cursethegod/article/details/80359060</guid><author>cursethegod</author><pubDate>Fri, 18 May 2018 07:53:13 +0800</pubDate><description><![CDATA[]]></description><category></category></item></channel></rss>