Exppdf

Definition

exppdf(x,lambda) returns the probability density function of the exponential distribution with rate parameter lambda, evaluated at the values in x.

\[f(x|\lambda)=\lambda e^{{-x}{\lambda}}, x \geq 0\]

where \(\lambda\) is the rate parameter. Mean parameter, Standard Deviation parameter or scale parameter \(\mu = \frac {1}{\lambda}\)

Parameters

x (input, double)
\[x \geq 0\]
lambda (input, double)
\(\lambda>0\).

See Also

Cauchypdf, gampdf, Lappdf, Lognpdf, Normpdf, Poisspdf