stats_dens_weibull

(PECL stats >= 1.0.0)

stats_dens_weibullProbability density function of the Weibull distribution

Descrierea

float stats_dens_weibull ( float $x , float $a , float $b )

Returns the probability density at x, where the random variable follows the Weibull distribution of which the shape parameter is a and the scale parameter is b.

Parametri

x

The value at which the probability density is calculated

a

The shape parameter of the distribution

b

The scale parameter of the distribution

Valorile întoarse

The probability density at x or FALSE for failure.

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