Logistic5

Contents

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

Image:Logistic5.png

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
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