i have this error ,when i run the program

Error in

matlab.graphics.internal.figfile.FigFile/read>@(hObject,eventdata)gui('z_CreateFcn',hObject,eventdata,guidata(hObject))

Unrecognized function or variable 'y_CreateFcn'.

Error in gui_mainfcn (line 95)

feval(varargin{:});

Error in gui (line 44)

gui_mainfcn(gui_State, varargin{:});

Error in

matlab.graphics.internal.figfile.FigFile/read>@(hObject,eventdata)gui('y_CreateFcn',hObject,eventdata,guidata(hObject))

Unrecognized function or variable 'x_CreateFcn'.

Error in gui_mainfcn (line 95)

feval(varargin{:});

Error in gui (line 44)

gui_mainfcn(gui_State, varargin{:});

Error in

matlab.graphics.internal.figfile.FigFile/read>@(hObject,eventdata)gui('x_CreateFcn',hObject,eventdata,guidata(hObject))

Unrecognized function or variable 'rate_CreateFcn'.

Error in gui_mainfcn (line 95)

feval(varargin{:});

Error in gui (line 44)

gui_mainfcn(gui_State, varargin{:});

Error in

matlab.graphics.internal.figfile.FigFile/read>@(hObject,eventdata)gui('rate_CreateFcn',hObject,eventdata,guidata(hObject))

Unrecognized function or variable 'Timesteps_CreateFcn'.

Error in gui_mainfcn (line 95)

feval(varargin{:});

Error in gui (line 44)

gui_mainfcn(gui_State, varargin{:});

Error in

matlab.graphics.internal.figfile.FigFile/read>@(hObject,eventdata)gui('Timesteps_CreateFcn',hObject,eventdata,guidata(hObject))

Unrecognized function or variable 'Dynamik_CreateFcn'.

Error in gui_mainfcn (line 95)

feval(varargin{:});

Error in gui (line 44)

gui_mainfcn(gui_State, varargin{:});

Error in

matlab.graphics.internal.figfile.FigFile/read>@(hObject,eventdata)gui('Dynamik_CreateFcn',hObject,eventdata,guidata(hObject))

Unrecognized function or variable 'Distanz_CreateFcn'.

Error in gui_mainfcn (line 95)

feval(varargin{:});

Error in gui (line 44)

gui_mainfcn(gui_State, varargin{:});

Error in

matlab.graphics.internal.figfile.FigFile/read>@(hObject,eventdata)gui('Distanz_CreateFcn',hObject,eventdata,guidata(hObject))

Unrecognized function or variable 'Anzahl_CreateFcn'.

Error in gui_mainfcn (line 95)

feval(varargin{:});

Error in gui (line 44)

gui_mainfcn(gui_State, varargin{:});

Error in

matlab.graphics.internal.figfile.FigFile/read>@(hObject,eventdata)gui('Anzahl_CreateFcn',hObject,eventdata,guidata(hObject))

Reference to non-existent field 'AnzahlNachbarn'.

Error in gui>initialize_gui (line 466)

set(handles.AnzahlNachbarn, 'String', handles.metricdata.AnzahlNachbarn);

Error in gui>gui_OpeningFcn (line 62)

initialize_gui(hObject, handles, false);

Error in gui_mainfcn (line 220)

feval(gui_State.gui_OpeningFcn, gui_hFigure, [], guidata(gui_hFigure), varargin{:});

Error in gui (line 44)

gui_mainfcn(gui_State, varargin{:});

>> gui

Unrecognized function or variable 'z_CreateFcn'.

Error in gui_mainfcn (line 95)

feval(varargin{:});

Error in gui (line 44)

gui_mainfcn(gui_State, varargin{:});

Error in

matlab.graphics.internal.figfile.FigFile/read>@(hObject,eventdata)gui('z_CreateFcn',hObject,eventdata,guidata(hObject))

Unrecognized function or variable 'y_CreateFcn'.

Error in gui_mainfcn (line 95)

feval(varargin{:});

Error in gui (line 44)

gui_mainfcn(gui_State, varargin{:});

Error in

matlab.graphics.internal.figfile.FigFile/read>@(hObject,eventdata)gui('y_CreateFcn',hObject,eventdata,guidata(hObject))

Unrecognized function or variable 'x_CreateFcn'.

Error in gui_mainfcn (line 95)

feval(varargin{:});

Error in gui (line 44)

gui_mainfcn(gui_State, varargin{:});

Error in

matlab.graphics.internal.figfile.FigFile/read>@(hObject,eventdata)gui('x_CreateFcn',hObject,eventdata,guidata(hObject))

Unrecognized function or variable 'rate_CreateFcn'.

Error in gui_mainfcn (line 95)

feval(varargin{:});

Error in gui (line 44)

gui_mainfcn(gui_State, varargin{:});

Error in

matlab.graphics.internal.figfile.FigFile/read>@(hObject,eventdata)gui('rate_CreateFcn',hObject,eventdata,guidata(hObject))

Unrecognized function or variable 'Timesteps_CreateFcn'.

Error in gui_mainfcn (line 95)

feval(varargin{:});

Error in gui (line 44)

gui_mainfcn(gui_State, varargin{:});

Error in

matlab.graphics.internal.figfile.FigFile/read>@(hObject,eventdata)gui('Timesteps_CreateFcn',hObject,eventdata,guidata(hObject))

Unrecognized function or variable 'Dynamik_CreateFcn'.

Error in gui_mainfcn (line 95)

feval(varargin{:});

Error in gui (line 44)

gui_mainfcn(gui_State, varargin{:});

Error in

matlab.graphics.internal.figfile.FigFile/read>@(hObject,eventdata)gui('Dynamik_CreateFcn',hObject,eventdata,guidata(hObject))

Unrecognized function or variable 'Distanz_CreateFcn'.

Error in gui_mainfcn (line 95)

feval(varargin{:});

Error in gui (line 44)

gui_mainfcn(gui_State, varargin{:});

Error in

matlab.graphics.internal.figfile.FigFile/read>@(hObject,eventdata)gui('Distanz_CreateFcn',hObject,eventdata,guidata(hObject))

Unrecognized function or variable 'Anzahl_CreateFcn'.

Error in gui_mainfcn (line 95)

feval(varargin{:});

Error in gui (line 44)

gui_mainfcn(gui_State, varargin{:});

Error in

matlab.graphics.internal.figfile.FigFile/read>@(hObject,eventdata)gui('Anzahl_CreateFcn',hObject,eventdata,guidata(hObject))

Reference to non-existent field 'AnzahlNachbarn'.

Error in gui>initialize_gui (line 466)

set(handles.AnzahlNachbarn, 'String', handles.metricdata.AnzahlNachbarn);

Error in gui>gui_OpeningFcn (line 62)

initialize_gui(hObject, handles, false);

Error in gui_mainfcn (line 220)

feval(gui_State.gui_OpeningFcn, gui_hFigure, [], guidata(gui_hFigure), varargin{:});

Error in gui (line 44)

gui_mainfcn(gui_State, varargin{:});

>>

Answer 1

[Prathamesh]

Hi @Abdullah Alhassan, I understand you are getting errors like ‘Unrecognized function’, ‘Reference to non-existent field’ and some with ‘.fig’ and ‘.m’ file. Here’s how to fix the errors in your MATLAB GUI

1. Your GUI is trying to use functions like ‘z_CreateFcn’ and ‘y_CreateFcn’ that aren't defined. Make sure you define all the callback functions for your GUI components, like sliders and buttons
2. The code is trying to access a field ‘AnzahlNachbarn’ that doesn't exist in ‘handles’. Make sure all fields are initialized in ‘handles’, usually in the ‘OpeningFcn’ or ‘initialize_gui’.

Below is example of ‘OpeningFcn’ and ‘initialize_gui’ with necessary comments.

function myGui_OpeningFcn(hObject, eventdata, handles, varargin)
    % This function is executed before the GUI is made visible.
    
    % Initialize the handles structure
    handles.output = hObject;
    
    % Initialize custom data fields
    handles.metricdata.AnzahlNachbarn = 0; % Example field
    handles.metricdata.SomeOtherField = 1; % Another example field
    
    % Update handles structure
    guidata(hObject, handles);
    
    % Call the initialize_gui function to set up the GUI
    initialize_gui(hObject, handles);
end

function initialize_gui(hObject, handles)
    % This function sets up the initial state of the GUI components.
    
    % Initialize GUI components, e.g., set default values for controls
    set(handles.slider1, 'Value', 0.5); % Example of setting a slider value
    set(handles.editText, 'String', 'Default Text'); % Example of setting text
    
    % Ensure that all necessary fields in handles are initialized
    handles.metricdata.AnzahlNachbarn = 5;
    handles.metricdata.SomeOtherField = 10;
    
    % Update handles structure
    guidata(hObject, handles);
end

3. Initialize all needed variables and fields in the ‘OpeningFcn’ or a setup function to prevent errors.