(PECL stats >= 1.0.0)

stats_dens_weibullProbability density function of the Weibull distribution


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

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.

Elenco dei parametri


The value at which the probability density is calculated


The shape parameter of the distribution


The scale parameter of the distribution

Valori restituiti

The probability density at x or FALSE for failure.

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