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Probabilities.ErlangCDFInv Method (double, int, double)

Erlang distribution point percent function (PPF).

Syntax
C#
Visual Basic
public static double ErlangCDFInv(double p, int k, double Lambda);
Parameters 
Description 
double p 
Probability, real positive value on closed interval [0,1]. 
int k 
Defines distribution shape parameter. k must be a positive integer. 
double Lambda 
Defines distribution rate parameter. Lambda must be a positive value. 

the Erlang distribution point percent function (PPF). Both parameters k and Lambda must be positive, otherwise the result is NAN.

The inverse of the Erlang cumulative distribution function is defined by the following equation: 

 

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