Error when using the curve fitting tool

I've been trying to use the curve fitting toolbox to do a pretty simple fit. However, after I create a data set, choose the type of fit, and click apply, I get the error:

Warning: An error occurred while processing a callback. The error was: Attempt to execute SCRIPT fit as a function:

Error in sftoolgui.Fitdev>iCallFit (line 1430) fit( input, output, aFittype, fitOptions );

Error in sftoolgui.Fitdev/fit (line 465) [aFit, aGoodness, anOutput, aWarning, anError, aConvergence] = iCallFit( ...

Error in sftoolgui.EditFitPanel/fitAction (line 175) fit(this.HFitdev);

Error in sftoolgui.EditFitPanel>@(s,e)this.fitAction(e) (line 72) this.createListener( this.JavaPanel, 'fitFit', @(s, e) this.fitAction( e ) );

Error in curvefit.gui.event.EventQueue>iExecute (line 304) func(src, evtData, args{:});

Error in curvefit.gui.event.EventQueue/pumpOne (line 184) iExecute(queueEntry);

Error in curvefit.gui.event.EventQueue/flushOne (line 168) obj.pumpOne();

Error in curvefit.gui.event.EventQueue/createCallback/executeWithQueue (line 144) obj.flushOne();

Error in curvefit.listener>iJavaCallback/evalCallback (line 63) originalCallback(src, evt.JavaEvent); > In curvefit.gui.event.EventQueue>iExecute (line 308) In curvefit.gui.event.EventQueue/pumpOne (line 184) In curvefit.gui.event.EventQueue/flushOne (line 168) In curvefit.gui.event.EventQueue/createCallback/executeWithQueue (line 144) In curvefit.listener>iJavaCallback/evalCallback (line 63)

This happens no matter what data I use or what fit I use. I tried

which -all fit C:\Users\Juan Pablo\Documents\Thesis\Model\fit.m C:\Program Files\MATLAB\R2018b\toolbox\curvefit\sftoolgui\+sftoolgui\Fitdev.m % sftoolgui.Fitdev method C:\Program Files\MATLAB\R2018b\toolbox\mbc\mbcdesign\@conbase\fit.m % conbase method C:\Program Files\MATLAB\R2018b\toolbox\mbc\mbcdesign\@conswitch\fit.m % conswitch method C:\Program Files\MATLAB\R2018b\toolbox\mbc\mbcdesign\@contwostage\fit.m % contwostage method C:\Program Files\MATLAB\R2018b\toolbox\mbc\mbcmodels\@localmod\fit.m % localmod method C:\Program Files\MATLAB\R2018b\toolbox\mbc\mbcmodels\@localmulti\fit.m % localmulti method C:\Program Files\MATLAB\R2018b\toolbox\mbc\mbcmodels\@xregmodel\fit.m % xregmodel method C:\Program Files\MATLAB\R2018b\toolbox\stats\stats\@gmdistribution\fit.m % gmdistribution method C:\Program Files\MATLAB\R2018b\toolbox\curvefit\curvefit\fit.p % Shadowed C:\Program Files\MATLAB\R2018b\toolbox\curvefit\curvefit\fit.m % Shadowed >> dbstop if error

And I still can not solve the problem.

Im using MATLAB R2018b

Thanks for your time and help JP

Answer 1

[Stephan]

Hi,

problably your script is named fit.m - Rename your script. It is not a good idea to name scripts like the function names of Matlab functions.

This Error is problably One of the Top Ten ;-)

Best regards

Stephan