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

2013 1 15
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回答（1 个）

Mona Mahboob Kanafi
编辑：Mona Mahboob Kanafi 2013-8-14

0 个投票

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);

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