略微加速

PHP官方手册 - 互联网笔记

PHP - Manual: stats_rand_gen_f

2024-12-24

stats_rand_gen_f

(PECL stats >= 1.0.0)

stats_rand_gen_fGenerates a random deviate from the F distribution

说明

stats_rand_gen_f ( float $dfn , float $dfd ) : float

Generates a random deviate from the F (variance ratio) distribution with "dfn" degrees of freedom in the numerator and "dfd" degrees of freedom in the denominator. Method : directly generates ratio of chisquare variates.

参数

dfn

The degrees of freedom in the numerator

dfd

The degrees of freedom in the denominator

返回值

A random deviate

add a note add a note

User Contributed Notes

There are no user contributed notes for this page.

官方地址:https://www.php.net/manual/en/function.stats-rand-gen-f.php

北京半月雨文化科技有限公司.版权所有 京ICP备12026184号-3