Matlab - Sacar variables de una Guide cuando acaba (varargout)

function varargout = guide_a_workspace(varargin)

gui_Singleton = 1;

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

                   'gui_Singleton',  gui_Singleton, ...

                   'gui_OpeningFcn', @guide_a_workspace_OpeningFcn, ...

                   'gui_OutputFcn',  @guide_a_workspace_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 guide_a_workspace_OpeningFcn(hObject, eventdata, handles, varargin)

handles.output = hObject;

guidata(hObject, handles);

function varargout = guide_a_workspace_OutputFcn(hObject, eventdata, handles)

varargout{1} = handles.output;

set(handles.uitable3,'visible','off');

function edit1_Callback(hObject, eventdata, handles)

function edit3_Callback(hObject, eventdata, handles)

function crear_tabla_Callback(hObject, eventdata, handles)

filas= str2double(get(handles.edit1,'string'));

columnas= str2double(get(handles.edit3,'string'));

num_elem=rand(filas,columnas);

assignin('base','matriz_A',num_elem)

set(handles.uitable3,'visible','on');

set(handles.uitable3,'Data',num_elem);