Matlab - ayuda tabla gui

function varargout = tablacaballero15(varargin)

gui_Singleton = 1;

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

                   'gui_Singleton',  gui_Singleton, ...

                   'gui_OpeningFcn', @tablacaballero15_OpeningFcn, ...

                   'gui_OutputFcn',  @tablacaballero15_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 tablacaballero15_OpeningFcn(hObject, eventdata, handles, varargin)

data=rand(20,3);

filas=size(data,1);

columnas=size(data,2);

num_elem=cell(filas,columnas);

num_elem(1:filas,1:columnas)={''};

set(handles.uitable1,'Data',num_elem);

set(handles.uitable1,'ColumnName',['a';'b';'c']);

 set(handles.uitable1,'Data',data);

handles.output = hObject;

guidata(hObject, handles);

function varargout = tablacaballero15_OutputFcn(hObject, eventdata, handles)

varargout{1} = handles.output;

function uitable1_CellEditCallback(hObject, eventdata, handles)

eventdata.NewData