Matlab - obtener valores numericos en check box en guide

function varargout = check_box1_vector(varargin)

gui_Singleton = 1;

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

                   'gui_Singleton',  gui_Singleton, ...

                   'gui_OpeningFcn', @check_box1_vector_OpeningFcn, ...

                   'gui_OutputFcn',  @check_box1_vector_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 check_box1_vector_OpeningFcn(hObject, eventdata, handles, varargin)

handles.output = hObject;

guidata(hObject, handles);

function varargout = check_box1_vector_OutputFcn(hObject, eventdata, handles)

global v i

i=1;

v=[];

varargout{1} = handles.output;

function checkbox1_Callback(hObject, eventdata, handles)

global v i

a=get(hObject,'Value') ;

v(i)=a

i=i+1;

function checkbox2_Callback(hObject, eventdata, handles)

global v i

a=get(hObject,'Value') ;

v(i)=a

i=i+1;

function checkbox3_Callback(hObject, eventdata, handles)

global v i

a=get(hObject,'Value') ;

v(i)=a

i=i+1;

>> check_box1_vector

v =

     1

v =

     1     1

v =

     1     1     1

v =

     1     1     1     0

v =

     1     1     1     0     0

v =

     1     1     1     0     0     1

v =

     1     1     1     0     0     1     1

v =

     1     1     1     0     0     1     1     0