【摘抄】各维度不相关的多元高斯分布

各维度不相关的多元高斯分布

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多维高斯分布是如何由一维发展而来的?


多元高斯分布

原文地址:https://www.cnblogs.com/bingjianing/p/9117330.html

标准高斯函数

![]( https://img-blog.csdnimg.cn/20200616184438591.png?x-oss-process=image/watermark ,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTM1NTU3MTk=,size_16,color_FFFFFF,t_70)

一元高斯函数一般形式

![]( https://img-blog.csdnimg.cn/20200616184549932.png?x-oss-process=image/watermark ,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTM1NTU3MTk=,size_16,color_FFFFFF,t_70)
![]( https://img-blog.csdnimg.cn/20200616184750171.png?x-oss-process=image/watermark ,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTM1NTU3MTk=,size_16,color_FFFFFF,t_70)
![]( https://img-blog.csdnimg.cn/20200616184831967.png?x-oss-process=image/watermark ,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTM1NTU3MTk=,size_16,color_FFFFFF,t_70)
![]( https://img-blog.csdnimg.cn/20200616184923927.png?x-oss-process=image/watermark ,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTM1NTU3MTk=,size_16,color_FFFFFF,t_70)

独立多元正态分布

![]( https://img-blog.csdnimg.cn/20200616190140615.png?x-oss-process=image/watermark ,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTM1NTU3MTk=,size_16,color_FFFFFF,t_70)

变量替换(重要)

![]( https://img-blog.csdnimg.cn/20200616190338824.png?x-oss-process=image/watermark ,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTM1NTU3MTk=,size_16,color_FFFFFF,t_70)
![]( https://img-blog.csdnimg.cn/2020061619052535.png?x-oss-process=image/watermark ,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTM1NTU3MTk=,size_16,color_FFFFFF,t_70)

posted @ 2020-06-16 20:33  WUST许志伟  阅读(397)  评论(0)    收藏  举报