Poisspdf

Definition:

poisspdf(X,lambda) returns the Poisson probability density function at each of the values in X using mean parameters in lambda.

\[f(x|\lambda )=\frac{\lambda ^x}{x!}e^{-\lambda }I_{(0,1,...)}(x)\]

Parameters:

x (input, integer)

\[x \geq 0\]

lambda (input, double)

\(\lambda >0\).

See Also

Cauchypdf, exppdf, gampdf, Lappdf, Lognpdf, Normpdf