stats_harmonic_mean

(PECL)

stats_harmonic_mean -- Returns the harmonic mean of an array of values

说明

number stats_harmonic_mean ( array a )

警告

本函数暂无文档,仅有参数列表。

参数

a

Its description

返回值

What the function returns, first on success, then on failure. See also the &return.success; entity