LangevinMod

Contents 1 Function 2 Brief Description 3 Sample Curve 4 Parameters 5 Script Access 6 Function File 7 Category

Function

\[y=y_0+C\left( \coth \left ( \frac{x - x_c}{s}\right ) -\frac {s}{x-x_c}\right) \]

\[cothz=\frac{e^z+e^{-z}}{e^z-e^{-z}}\]

Brief Description

Langevin function for magnetic polarization.

Sample Curve

Parameters

Number: 4

Names: y0, xc, C, s

Meanings: y0 = offset, xc = center, C = Amplitude, s = Scale

Lower Bounds: none

Upper Bounds: none

Script Access

nlf_Langevinmod(x, y0, xc, C, s)

Function File

FITFUNC\LANGEVINMOD.FDF

Category

Exponential