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Probabilities.ExpCDF Function
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Exponential cumulative distribution function (CDF).

Pascal
function ExpCDF(x: double; Mu: double): double; overload;
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Parameters
Parameters 
Description 
x 
Function domain, real positive value or zero. 
Mu 
Defines distribution rate parameter. Mu must be a positive scalar. 
Returns

the exponential cumulative distribution function (CDF) for parameter Mu at the value X. Parameter Mu must be greater than zero, otherwise the result is NAN.

Description

The exponential cumulative distribution function s defined by the following equation: 

 

The result of ExpCDF is the probability that a single observation from an exponential distribution will fall in the interval [0,x].

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