stats_dens_gamma
(PECL stats >= 1.0.0)
stats_dens_gamma — Probability density function of the gamma distribution
说明
Returns the probability density at x, where the
random variable follows the gamma distribution of which the shape parameter
is shape and the scale parameter is scale.
参数
-
x -
The value at which the probability density is calculated
-
shape -
The shape parameter of the distribution
-
scale -
The scale parameter of the distribution
返回值
The probability density at x or false for failure.
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