Logistic5

Contents 1 Function 2 Brief Description 3 Sample Curve 4 Parameters 5 Script Access 6 Function File 7 Category

Function

\[y = Amin + \frac{Amax - Amin}{\left(1 + \left(\frac{x}{x_0}\right)^{-h}\right)^s}\]

Brief Description

Five parameters logistic function.

Sample Curve

Parameter

Number: 5

Names: Amin, Amax, x0, h, s

Meanings: Amin = Lower Asymmetry, Amax = Upper Asymmetry, x0 = X of Half Y, h = Hill Slope, s = Control Factor

Lower Bounds: s > 0.0

Upper Bounds: none

Script Access

nlf_Logistic5(x,Amin,Amax,x0,h,s)

Function File

FITFUNC\LOGISTIC5.FDF

Category

Growth/Sigmoidal