28.3.6 ExtremeCum

Function

z=z_0+B\exp \left\{ -\exp \left\{ \frac{C-x}D\right\} \right\} +E\exp \left\{ -\exp \left\{ \frac{F-y}G\right\} \right\} +H\exp \left\{ -\exp \left\{ \frac{C-x}D\right\} -\exp \left\{ \frac{F-y}G\right\} \right\}

Brief Description

Non-linear Extreme Value Cumulative Function

Sample Curve

Image030.gif

Parameters

Number: 8

Name: Meanings: Lower Bounds: Upper Bounds:

z_0

z offset

B

C

x offset

D

x width

E

F

y offset

G

y width

H

Script Access

Function File

fitfunc\ExtremeCum.fdf