stats_rand_gen_chisquarestats_rand_gen_exponential
(PECL stats >= 1.0.0)
stats_rand_gen_exponential — Generates a single random deviate from an exponential distribution with mean "av"
说明
float stats_rand_gen_exponential
( float
$av
)Warning
本函数还未编写文档，仅有参数列表。
参数
-
av -
返回值
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