EJEMPLO 1:

function varargout = untitled(varargin)

% UNTITLED MATLAB code for untitled.fig

%      UNTITLED, by itself, creates a new UNTITLED or raises the existing

%      singleton*.

%

%      H = UNTITLED returns the handle to a new UNTITLED or the handle to

%      the existing singleton*.

%

%      UNTITLED('CALLBACK',hObject,eventData,handles,...) calls the local

%      function named CALLBACK in UNTITLED.M with the given input arguments.

%

%      UNTITLED('Property','Value',...) creates a new UNTITLED or raises the

%      existing singleton*.  Starting from the left, property value pairs are

%      applied to the GUI before untitled_OpeningFcn gets called.  An

%      unrecognized property name or invalid value makes property application

%      stop.  All inputs are passed to untitled_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 untitled

% Last Modified by GUIDE v2.5 14-May-2019 16:37:51

% Begin initialization code - DO NOT EDIT

gui_Singleton = 1;

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

                   'gui_Singleton',  gui_Singleton, ...

                   'gui_OpeningFcn', @untitled_OpeningFcn, ...

                   'gui_OutputFcn',  @untitled_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 untitled is made visible.

function untitled_OpeningFcn(hObject, eventdata, handles, varargin)

% This function has no output 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 untitled (see VARARGIN)

% Choose default command line output for untitled

handles.output = hObject;

% Update handles structure

guidata(hObject, handles);

% UIWAIT makes untitled wait for user response (see UIRESUME)

% uiwait(handles.figure1);

% --- Outputs from this function are returned to the command line.

function varargout = untitled_OutputFcn(hObject, eventdata, handles)

% varargout  cell array for returning output 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 output from handles structure

varargout{1} = handles.output;

% --- Executes when selected object is changed in uibuttongroup1.

function uibuttongroup1_SelectionChangedFcn(hObject, eventdata, handles)

switch(h0bject)

    case handles.suma1

end

% hObject    handle to the selected object in uibuttongroup1

% eventdata  reserved - to be defined in a future version of MATLAB

% handles    structure with handles and user data (see GUIDATA)

function salida_Callback(hObject, eventdata, handles)

% hObject    handle to salida (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 salida as text

%        str2double(get(hObject,'String')) returns contents of salida as a double

% --- Executes during object creation, after setting all properties.

function salida_CreateFcn(hObject, eventdata, handles)

% hObject    handle to salida (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