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PHP - Manual: stats_dens_beta

2025-02-27

stats_dens_beta

(PECL stats >= 1.0.0)

stats_dens_betaProbability density function of the beta distribution

说明

stats_dens_beta(float $x, float $a, float $b): float

Returns the probability density at x, where the random variable follows the beta distribution of which the shape parameters are a and b.

参数

x

The value at which the probability density is calculated

a

The shape parameter of the distribution

b

The shape parameter of the distribution

返回值

The probability density at x or false for failure.

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官方地址:https://www.php.net/manual/en/function.stats-dens-beta.php

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