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Curvefitting with a set of 8 sine and cosine terms [message #89545] Fri, 24 October 2014 16:30
siumtesfai is currently offline  siumtesfai
Messages: 62
Registered: April 2013
Member
I want to do nonlinear fitting of my data


coeffs I need to get : An and Bn where n = 1,2,3,4

so I will have these coeffs

A1,A2,A3,A4
B1,B2,B3,B4


F(X) = ∑((Ancos(nπx/L)+Bnsin(nπx/L) ) , Where n = 1,2,3,4



I have looked at the Curvefit and MPfit by Craig. I never get it


Thanks for you help

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