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Probabilities.ErlangCDF Function
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Erlang distribution cumulative distribution function (CDF).

Pascal
function ErlangCDF(x: double; k: Integer; Lambda: double): double; overload;
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Parameters
Parameters 
Description 
x 
Function domain, real positive value or zero. 
k 
Defines distribution shape parameter. k must be a positive integer. 
Lambda 
Defines distribution rate parameter. Lambda must be a positive value. 
Returns

the Erlang cumulative distribution function (CDF) for parameters k and Lambda, evaluated at x.

Description

Calculates the Erlang cumulative distribution function, defined by the following relation: 

 

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