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# stats_rand_gen_beta

(PECL)

stats_rand_gen_beta -- Generates beta random deviate

## 说明

float stats_rand_gen_beta ( float a, float b )

Returns a random deviate from the beta distribution with parameters A and B. The density of the beta is x^(a-1) * (1-x)^(b-1) / B(a,b) for 0 < x <. Method R. C. H. Cheng.

## 参数

`a`

  Its description

`b`

  Its description

## 返回值

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

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