Matlab - Elemento del GUI, Radio Button

function varargout = Operation(varargin)

gui_Singleton = 1;

gui_State = struct('gui_Name',       mfilename, ...

                   'gui_Singleton',  gui_Singleton, ...

                   'gui_OpeningFcn', @Operation_OpeningFcn, ...

                   'gui_OutputFcn',  @Operation_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

function Operation_OpeningFcn(hObject, eventdata, handles, varargin)

set(handles.suma,'value',0)

set(handles.resta,'value',0)

handles.output = hObject;

guidata(hObject, handles);

function varargout = Operation_OutputFcn(hObject, eventdata, handles)

varargout{1} = handles.output;

function pushbutton2_Callback(hObject, eventdata, handles)

OPERACION

function uipanel1_SelectionChangeFcn(hObject, eventdata, handles)

global condicion

 if hObject == handles.suma

     condicion=1;

 elseif hObject == handles.resta

     condicion=2;

 end

global condicion

if condicion==1

    A=5;

    B=7;

    RESULTADO=A+B;

    set(handles.text1,'String',RESULTADO)

elseif condicion==2

   A=5;

    B=7;

    RESULTADO=B-A;

    set(handles.text1,'String',RESULTADO)

end