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Function used in Curve Fitting Tool

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TMMG
TMMG 2020-6-9
回答： Shubham Rawat 2020-8-11
I wish to know some details regarding the Curve Fitting Tool. I have fitted some data with a custom equation, using the Method 'NonLinearLeastSquares'. Could anybody confirm me that the function used by the Curve Fitting Tool, in this case, is the same than in lsqcurvefit, i.e, lsqnonlin? In this case, the fitting result I have obtained with the Tool would be the same than that provided by using directly lsqcurvefit (with the proper options)? Thank you.

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Shubham Rawat
Shubham Rawat 2020-8-11
Hi Teresa,
No, they are not the same, maybe they are giving same answer for your question.
You can refer this link for your query:
https://www.mathworks.com/matlabcentral/answers/158328-difference-between-pem-lsqnonlin-and-lsqcurvefit

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