nonlinear fit model (coefficient and standard error)
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Dear Matlab experts,
I would like to get coefficient and standard error for the nonlinear function. Please check this coding. Thank you very much in advance.
ds = dataset(Time,Energy,Capital,Emission); Time = [1,2,3,4,5]; Energy = [100,110,120,130,140]; Capital = [11,15,12,13,17]; Emission = [120,143,135,146,150]; modelfun = @(b,x)b(1)*exp(-b(2)*x(:,1))*x(:,2)-b(3)*(x:,3).^b(4)*x(:,2); pguess = [1,0.2, 0.01,0.02]; mdl = fitnlm(ds,modelfun,pguess)
Sincerely,
J1
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Star Strider
am 21 Jun. 2016
You have several errors in ‘modelfun’, including an orphan comma and at least one unmatched parenthesis. I have no idea what function you are coding, so you have to fix this yourself.
When ‘modelfun’ is coded correctly, and if you’re still having problems, post back here and I’ll help you as much as I can.
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