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泊松分布求和

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tommywong Posted at 2014-1-8 20:51:44 |Read mode
现充已死,エロ当立。
维基用户页:https://zh.wikipedia.org/wiki/User:Tttfffkkk
Notable algebra methods:https://artofproblemsolving.com/community/c728438
《方幂和及其推广和式》 数学学习与研究2016.

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其妙 Posted at 2014-1-8 23:09:33
这个发在高等数学论坛吧?

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kuing Posted at 2014-1-9 14:45:54
回复 2# 其妙

嗯,移了

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战巡 Posted at 2014-1-13 12:18:26
回复 1# tommywong

这什么烂题
首先模型就很假,居然按照两队进球数独立来算,拜托有点常识好吧,怎么可能独立...

退一万步来讲,就算你独立好了
精确值是没戏的,两个独立泊松分布相减是个极其恶心的东西,没有初等表达式

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