How to fit a curve to a power spectrum curve which follows power law

How to fit a curve to a power spectrum curve which follows power law

Answer 1

[Mona Mahboob Kanafi]

Hi,

Go to cftool, then select your data and choose power; set number of terms to '1' if it follows this equation: y = a*x^b

Also you can do this on command window:

f = fit(x,y,'power1');

and then if you want the parameters just use this command:

coefs = coeffvalues(f);