Optimize model parameter values to achieve model best fit to the input data

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Muhammad umer Khan
回答： Matthew 2024-4-8
Hi,
I am trying to define optimoptions in the 'fit' function, but it is giving me an error. I followed the optimoptions link given on this documentation
https://www.mathworks.com/help/vdynblks/ug/tiremodel.fit.html
options = optimoptions(@fmincon,'Algorithm','interior-point','Display','off');
[tm,diffTable,errorStat,optimOutput] = tm.fit(longitudinal_data,"Fx Pure",Solver="fmincon",options,PlotFit=true);
The error is Unsupported use of the '=' operator. To compare values for equality, use '=='. To pass name-value arguments using the name=value format, provide these arguments after all other inputs.
Any help would be appreciated. Thanks.

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采纳的回答

Matthew
Matthew 2024-4-8
Hi Muhammad,
You neglected to include the input argument name for "optimoptions" in your function call. Use it to assign your options object.
options = optimoptions(@fmincon,'Algorithm','interior-point','Display','off');
[tm,diffTable,errorStat,optimOutput] = tm.fit(longitudinal_data,"Fx Pure",Solver="fmincon",optimoptions=options,PlotFit=true);

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