LOGISTIC(X)

 

Description

This function returns the value of the sigmoid function.  The result is between 0 and 1.  The function is given by:

 

 

Parameters

 

X

A numeric value.

 

Examples

 

LOGISTIC(1) = 0.26894142

 

LOGISTIC(D14) = .5

Where D14 = 0.

 

LOGISTIC(T5) = 1.026188e-10

Where T5 = 23.