function varargout = Mygui1(varargin)% MYGUI1 Application M-file for Mygui1.fig%    FIG = MYGUI1 launch Mygui1 GUI.%    MYGUI1('callback_name', ...) invoke the named callback.% Last Modified by GUIDE v2.0 15-Jun-2002 16:12:52if nargin == 0  % LAUNCH GUI	fig = openfig(mfilename,'reuse');	% Use system color scheme for figure:	set(fig,'Color',get(0,'defaultUicontrolBackgroundColor'));	% Generate a structure of handles to pass to callbacks, and store it. 	handles = guihandles(fig);	guidata(fig, handles);    set(handles.box_off,'enable','off')         % U    if nargout > 0		varargout{1} = fig;	endelseif ischar(varargin{1})      % INVOKE NAMED SUBFUNCTION OR CALLBACK	try		if (nargout)			[varargout{1:nargout}] = feval(varargin{:}); % FEVAL switchyard		else			feval(varargin{:}); % FEVAL switchyard		end	catch		disp(lasterr);	endend% --------------------------------------------------------------------function varargout = GridOff_push_Callback(h, eventdata, handles, varargin)grid off                                        % U% --------------------------------------------------------------------function varargout = GridOn_push_Callback(h, eventdata, handles, varargin)grid on                                         % U% --------------------------------------------------------------------function varargout = zeta_edit_Callback(h, eventdata, handles, varargin)z=str2num(get(handles.zeta_edit,'String'));     % U  t=0:0.1:15;                                     % Ucla                                             % Ufor k=1:length(z)                               % U    y(:,k)=step(1,[1, 2*z(k), 1], t);           % U    line(t,y(:,k));                             % Uend                                             % U% --------------------------------------------------------------------function varargout = options_Callback(h, eventdata, handles, varargin)% --------------------------------------------------------------------function varargout = box_on_Callback(h, eventdata, handles, varargin)box on                                          % Uset(handles.box_on,'enable','off')              % Uset(handles.box_off,'enable','on')              % U% --------------------------------------------------------------------function varargout = box_off_Callback(h, eventdata, handles, varargin)box off                                         % Uset(handles.box_off,'enable','off')             % Uset(handles.box_on,'enable','on')               % U