What is the meaning of real values of unknown coefficients at Multi Start using lsqcurvefit?
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Im working on solving lsqcurvefit problems and I got a suspicion that the solutions were not optimized for the fitting results.
Thus, I have tired to control the optimoptionis and found out Multi Start using lsqcurvefit could be effective.
I checked the example of Multi Start on this url https://jp.mathworks.com/help/gads/multistart-using-lsqcurvefit-or-lsqnonlin.html
However, I counldnt understand the meaning of preal which indicated real values of unknown coefficients at this example.
Here my questions :
1. What is the meaning of preal at Multi Start example?
2. Should I set this 'preal' invariably when I fit my original function to my experimental data sets?
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