<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[Plus_To的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/Plus_To</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; Plus_To]]></copyright><item><title><![CDATA[argmax与max的区别]]></title><link>https://blog.youkuaiyun.com/Plus_To/article/details/103713459</link><guid>https://blog.youkuaiyun.com/Plus_To/article/details/103713459</guid><author>Plus_To</author><pubDate>Thu, 26 Dec 2019 13:20:36 +0800</pubDate><description><![CDATA[argmax与max
argmax与max的区别
argmax是指取最大值参数的意思，max是函数的最大值
例如

maxyp(y∣x)max_yp(y|x)maxy​p(y∣x)是指当y取特定值时p(y∣x)p(y|x)p(y∣x)的最大值
而argmaxyp(y∣x)argmax_yp(y|x)argmaxy​p(y∣x)是指当p(y∣x)p(y|x)p(y∣x)取最大值是对应的y的值

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