由网友(以女皇的风范称霸世界)分享简介：什么是 O（日志* N）？我发现网上没有说明。What is O(log* N)? I found it online with no description.我知道大呵呵，日志* 是个问题I know big-Oh, the log* is the question推荐答案O（日志* N）是重对数：在计算...

什么是 O（日志* N）？我发现网上没有说明。

What is O(log* N)? I found it online with no description.

我知道大呵呵，日志* 是个问题

I know big-Oh, the log* is the question

推荐答案

O（日志* N）是重对数：

在计算机科学中，n的重对数，写日志* N（经常读数星星），是对数函数必须在结果小于或等于1之前迭代应用的次数

In computer science, the iterated logarithm of n, written log* n (usually read "log star"), is the number of times the logarithm function must be iteratively applied before the result is less than or equal to 1.