stats_rand_gen_ipoisson
(PECL stats >= 1.0.0)
stats_rand_gen_ipoisson — Generates a single random deviate from a Poisson distribution
说明
stats_rand_gen_ipoisson
( float
$mu
) : int
Returns a random deviate from the Poisson distribution with parameter mu.
参数
-
mu -
The parameter of the Poisson distribution
返回值
A random deviate