Log3P1

Contents

Function

y=a-bln\left( x+c\right)

Brief Description

Three-parameter logarithm function.

Reference: Ratkowksy, David A. 1990. Handbook of Nonlinear Regression Models. Marcel Dekker, Inc. 4.3.32

Sample Curve

Image:CFF Image300.jpg

Parameters

Number: 3

Names: a, b, c

Meanings: a = coefficient, b = coefficient, c = coefficient

Lower Bounds: none

Upper Bounds: none

Script Access

nlf_log3p1(x,a,b,c)

Function File

FITFUNC\LOG3P1.FDF

Category

Logarithm