略微加速

PHP官方手册 - 互联网笔记

PHP - Manual: stats_cdf_gamma

2024-12-24

stats_cdf_gamma

(PECL stats >= 1.0.0)

stats_cdf_gammaCalculates any one parameter of the gamma distribution given values for the others

说明

stats_cdf_gamma ( float $par1 , float $par2 , float $par3 , int $which ) : float

Returns the cumulative distribution function, its inverse, or one of its parameters, of the gamma distribution. The kind of the return value and parameters (par1, par2, and par3) are determined by which.

The following table lists the return value and parameters by which. CDF, x, k, and theta denotes cumurative distribution function, the value of the random variable, and the shape and the scale parameter of the gamma distribution, respectively.

Return value and parameters
which Return value par1 par2 par3
1 CDF x k theta
2 x CDF k theta
3 k x CDF theta
4 theta x CDF k

参数

par1

The first parameter

par2

The second parameter

par3

The third parameter

which

The flag to determine what to be calculated

返回值

Returns CDF, x, k, or theta, determined by which.

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-cdf-gamma.php

北京半月雨文化科技有限公司.版权所有 京ICP备12026184号-3