stats_rand_gen_gamma
(PECL stats >= 1.0.0)
stats_rand_gen_gamma — Generates random deviates from a gamma distribution
설명
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).
인수
-
a -
location parameter of Gamma distribution (
a> 0). -
r -
shape parameter of Gamma distribution (
r> 0).
반환값
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