Fitting with constrained coefficients

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Pinco
Pinco 2012-8-18
Hi everyone!
I created a fittype object, but I want to impose constrained coefficients and fixed value, for example:
L0 = 1;
up = 1;
ft1 = fittype(@(K,Cb,b,x) up*K^Cb*x + L0*(exp(x)-1).^b, 'independent','x');
where K>0, Cb>0. How can I impose this? Is the code right for fixed values (L0 e up)?
Thanks a lot in advance. Pinco

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回答（1 个）

José-Luis
José-Luis 2012-8-18
You might want to have a look at: fminsearchbnd, that you can find in the file exchange :
http://www.mathworks.com/matlabcentral/fileexchange/8277-fminsearchbnd-fminsearchcon
Cheers!

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