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Probabilities.ExpPDF Method (double, double)
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Exponential probability density function (PDF).

Syntax
C#
Visual Basic
public static double ExpPDF(double x, double Mu);
Parameters
Parameters 
Description 
double x 
Function domain, real positive value or zero. 
double Mu 
Defines distribution rate parameter. Mu must be a positive scalar. 
Returns

the exponent probability density function (PDF) for parameter Mu at the value x. Parameter Mu must be greater than zero, otherwise the result is NAN.

Remarks

Calculates the exponential probability density function, defined by the equation: 

 

The exponential distribution arises often in practice with conjunction with the study of Poisson processes. In a Poisson process discrete events are being observed over a continuous time interval. If we let W denote the time of the occurrence of the first event, then W has and exponential distribution.

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