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什么是“有问题”?什么是“真正”?Stirling公式本来就是用~而不是用=的

Posted by frkstyc at 2005-04-22 00:20:31 on Problem 1423
In Reply To:Re:时间不够,大虾救助!! Posted by:poochie at 2005-04-22 00:11:01
> 其实下面的那个公式是有问题的,真正的公式应该是
> n!=(2*pi*n)^1/2 *(n/e)^n *e^(a/12*n);
> 其中a是0到1之间的某个数,这样向上取整就好了

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