Error while using GUI_SpIDA

ignored TIFF entry with tag 50838 (cnt 2)

ignored TIFF entry with tag 50839 (cnt 140)

??? Undefined function or method 'lsqcurvefit' for input arguments of type 'function_handle'.

Error in ==> fit_SpIDA_histo at 16

[fittedParameters,resnorm,residual,exitflag,output,lambda,jacobian] = lsqcurvefit(@SpIDA_Functions,initialGuess,x,y,lb,ub,curvefitoptions,coeff);

Error in ==> GUI_SpIDA>GO_Callback at 588

[yFitted, fits, exitflag] = fit_SpIDA_histo(x,n,handles.coeff);

Error in ==> gui_mainfcn at 96

feval(varargin{:});

Error in ==> GUI_SpIDA at 16

gui_mainfcn(gui_State, varargin{:});

Error in ==> @(hObject,eventdata)GUI_SpIDA('GO_Callback',hObject,eventdata,guidata(hObject))

??? Error while evaluating uicontrol Callback

Answer 1

[Sanket Patel]

Thank you Walter

Answer 2

[Walter Roberson]

lsqcurvefit requires the Optimization Toolbox.

The two TIFF tags warned about are harmless. https://github.com/python-pillow/Pillow/issues/291 . They are private tags added by ImageJ that have to do with metadata.