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Probabilities.FatigueLifePDF Method (double, double, double, double)
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Fatigue life probability density function (PDF).

Syntax
C#
Visual Basic
public static double FatigueLifePDF(double x, double Mu, double gamma, double beta);
Parameters
Parameters 
Description 
double x 
Distribution domain, real value on open interval (Mu,INF). 
double Mu 
Defines distribution location parameter. 
double gamma 
Defines distribution shape parameter. gamma must be a positive scalar. 
double beta 
Defines distribution scale parameter. beta must be a positive scalar. 
Returns

the Fatigue life probability density function (PDF)evaluated at x using the parameters gamma, Mu and beta. Gamma and beta must be positive real numners and x>Mu, otherwise an exception is raised.

Remarks

Calculates the "Fatigue life" probability density function, defined by the equation: 

 

The fatigue life distribution is also commonly known as the Birnbaum-Saunders distribution. Please note that there are several alternative formulations of the fatigue life distribution in the literature.

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