MODEL

PowerLaw

AUTHOR/MODIFICATION

John Barker 10 FEB 1999

Alan Munter 08 JULY 1999, converted to Java

APPROVED FOR DISTRIBUTION

DESCRIPTION

Model describes a power-law including a flat background.

Resolution smeared version is also provided.

VARIABLES

Input Variables (default values):

Parameter Variable Value
0Scale1.e-6
1(-)Power4.0
2Incoherent Background (cm-1)0.0

USAGE NOTES

The function calculated is:

Power Law Equation 1

with the intensity at q=1 being A, decaying with power -m.

REFERENCE

TEST DATASET

This example dataset is produced by calculating the PowerLaw using 300 data points, qmin = 0.001 Å-1, qmax = 0.7 (Å-1) and the above default parameter values.

Power Law example Dataset