30.3.11 LogisticCum

Function

z=z_0+\frac B{\left[ 1+\exp \left\{ \frac{C-x}D\right\} \right] \left[ 1+\exp \left\{ \frac{E-y}F\right\} \right] }

Brief Description

Non-linear Sigmoid (Logistic Cumulative) Function

Sample Curve

Image046.gif

Parameters

Number: 6

Name: Meanings: Lower Bounds: Upper Bounds:

z_0

z offset

B

z height

C

x offset

D

x width

E

y offset

F

y width

Script Access

Function File

fitfunc\LogisticCum.fdf

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