Matlab - Ayuda por faovr

function uitable_editable1_OpeningFcn(hObject, eventdata, handles, varargin)

 Tamano_matriz=cell(16,3);

 Tamano_matriz(:,:)={''};

set(handles.uitable1,'Data',Tamano_matriz)

set(handles.uitable1,'ColumnEditable',true)

handles.output = hObject;

guidata(hObject, handles);

function uitable1_CellEditCallback(hObject, eventdata, handles)

function pushbutton1_Callback(hObject, eventdata, handles)

data=get(handles.uitable1,'Data');

for i=1:size(data,1)

    for j=1:size(data,2)

     if strcmp(data{i,j},'')

         data{i,j}='0';

     end

    end

end

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