Руководство по PHP
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# stats_rand_gen_gamma

(PECL)

stats_rand_gen_gamma -- Generates random deviates from a gamma distribution

## Описание

float stats_rand_gen_gamma ( float a, float r )

Generates random deviates from the gamma distribution whose density is (A**R)/Gamma(R) * X**(R-1) * Exp(-A*X).

## Список параметров

a

  location parameter of Gamma distribution (a > 0).

r

  shape parameter of Gamma distribution (r > 0).

## Возвращаемые значения

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

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