Math Forum Discussions

Curious

Posts: 1,699
Registered: 12/6/04

Re: Counter - problem with varargin
Posted: Jan 17, 2013 9:54 AM

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kagliostro <lucascarpantonio@gmail.com> wrote in message <bcbacdbd-f0e4-4b0c-9c16-3e6f748ee36c@googlegroups.com>...
> Hi to everyone, I am new in this section and new to Matlab.
> I am trying to make a GUI which would be able to calculate the ions concentration in solution given the initial concentrations and the binding constat.
>
> However, I am facing a problem with varargin. I order to simplify the problem I made a simpler case which gives the same error. I am using Matlab 2012 on Mac OS x 10.8.
>
> thanks in advance for your help
>
> CODE:
>
> function varargout = Example(varargin)
> % EXAMPLE MATLAB code for Example.fig
> % EXAMPLE, by itself, creates a new EXAMPLE or raises the existing
> % singleton*.
> %
> % H = EXAMPLE returns the handle to a new EXAMPLE or the handle to
> % the existing singleton*.
> %
> % EXAMPLE('CALLBACK',hObject,eventData,handles,...) calls the local
> % function named CALLBACK in EXAMPLE.M with the given input arguments.
> %
> % EXAMPLE('Property','Value',...) creates a new EXAMPLE or raises the
> % existing singleton*. Starting from the left, property value pairs are
> % applied to the GUI before Example_OpeningFcn gets called. An
> % unrecognized property name or invalid value makes property application
> % stop. All inputs are passed to Example_OpeningFcn via varargin.
> %
> % *See GUI Options on GUIDE's Tools menu. Choose "GUI allows only one
> % instance to run (singleton)".
> %
> % See also: GUIDE, GUIDATA, GUIHANDLES
>
> % Edit the above text to modify the response to help Example
>
> % Last Modified by GUIDE v2.5 17-Jan-2013 14:56:48
>
> % Begin initialization code - DO NOT EDIT
> gui_Singleton = 1;
> gui_State = struct('gui_Name', mfilename, ...
> 'gui_Singleton', gui_Singleton, ...
> 'gui_OpeningFcn', @Example_OpeningFcn, ...
> 'gui_OutputFcn', @Example_OutputFcn, ...
> 'gui_LayoutFcn', [] , ...
> 'gui_Callback', []);
> if nargin && ischar(varargin{1})
> gui_State.gui_Callback = str2func(varargin{1});
> end
>
> if nargout
> [varargout{1:nargout}] = gui_mainfcn(gui_State, varargin{:});
> else
> gui_mainfcn(gui_State, varargin{:});
> end
> % End initialization code - DO NOT EDIT
>
>
> % --- Executes just before Example is made visible.
> function Example_OpeningFcn(hObject, ~, handles, varargin)
> % This function has no final args, see OutputFcn.
> % hObject handle to figure
> % eventdata reserved - to be defined in a future version of MATLAB
> % handles structure with handles and user data (see GUIDATA)
> % varargin command line arguments to Example (see VARARGIN)
>
> % Choose default command line final for Example
> handles.output = hObject;
> %handles.input = varargin{1};
> handles.counter = 0;
>
> % Update handles structure
> guidata(hObject, handles);
>
> % UIWAIT makes Example wait for user response (see UIRESUME)
> % uiwait(handles.figure1);
>
>
> % --- Outputs from this function are returned to the command line.
> function varargout = Example_OutputFcn(hObject, eventdata, handles)
> % varargout cell array for returning final args (see VARARGOUT);
> % hObject handle to figure
> % eventdata reserved - to be defined in a future version of MATLAB
> % handles structure with handles and user data (see GUIDATA)
>
> % Get default command line final from handles structure
> varargout{1} = handles.output;
>
>
> % --- Executes on button press in Calculate.
> function Calculate_Callback(hObject, eventdata, handles)
> % hObject handle to Calculate (see GCBO)
> % eventdata reserved - to be defined in a future version of MATLAB
> % handles structure with handles and user data (see GUIDATA)
> handles.counter = handl.counter +10;
> set(handles.input,'String',num2str(handles.input))
> set(handles.final,'String',num2str(handles.input+handles.counter))
> guidata(hObject,handles);
>
>
> function Input_Callback(hObject, eventdata, handles)
> % hObject handle to Input (see GCBO)
> % eventdata reserved - to be defined in a future version of MATLAB
> % handles structure with handles and user data (see GUIDATA)
>
> % Hints: get(hObject,'String') returns contents of Input as text
> % str2double(get(hObject,'String')) returns contents of Input as a double
>
>
> % --- Executes during object creation, after setting all properties.
> function Input_CreateFcn(hObject, eventdata, handles)
> % hObject handle to Input (see GCBO)
> % eventdata reserved - to be defined in a future version of MATLAB
> % handles empty - handles not created until after all CreateFcns called
>
> % Hint: edit controls usually have a white background on Windows.
> % See ISPC and COMPUTER.
> if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
> set(hObject,'BackgroundColor','white');
> end
>
>
>
> function final_Callback(hObject, eventdata, handles)
> % hObject handle to final (see GCBO)
> % eventdata reserved - to be defined in a future version of MATLAB
> % handles structure with handles and user data (see GUIDATA)
>
> % Hints: get(hObject,'String') returns contents of final as text
> % str2double(get(hObject,'String')) returns contents of final as a double
>
>
> % --- Executes during object creation, after setting all properties.
> function final_CreateFcn(hObject, eventdata, handles)
> % hObject handle to final (see GCBO)
> % eventdata reserved - to be defined in a future version of MATLAB
> % handles empty - handles not created until after all CreateFcns called
>
> % Hint: edit controls usually have a white background on Windows.
> % See ISPC and COMPUTER.
> if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
> set(hObject,'BackgroundColor','white');
> end

It would be helpful if you told us what the error message is.