stats_dens_exponential
stats_dens_exponential
Probability density function of the exponential distribution
float **stats_dens_exponential** float $x float $scale
Returns the probability density at , where the
random variable follows the exponential distribution of which the scale is
.
x``scale
xThe value at which the probability density is calculated
scaleThe scale of the distribution
The probability density at or false for failure.
x