DoubleBoltzmann

Contents

Function

y=y_0+A\left[\frac{p}{1+e^{\frac{x-x_{01}}{k_1}}}+\frac{1-p}{1+e^{\frac{x-x_{02}}{k_2}}}\right]

Brief Description

Double Boltzmann Function.

Sample Curve

Image:DoubleBoltzmann.png?

Parameter

Number: 7

Names: y0, A, p, x01, x02, k1, k2

Meanings: y0 = Offset, A = Span, p = Fraction, x01 = Center, x02 = Center, k1 = Slope factor, k2 = Slope factor

Lower Bounds: p > 0

Upper Bounds: p < 1

Script Access

nlf_DoubleBoltzmann(x,y0,A,frac,x01,x02,k1,k2)

Function File

FITFUNC\DOUBLEBOLTZMANN.FDF

Category

Growth/Sigmoidal