Matlab - Guardar imagen como .BMP

function varargout = guardar_figuras_axis2(varargin)

gui_Singleton = 1;

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

                   'gui_Singleton',  gui_Singleton, ...

                   'gui_OpeningFcn', @guardar_figuras_axis2_OpeningFcn, ...

                   'gui_OutputFcn',  @guardar_figuras_axis2_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 guardar_figuras_axis2_OpeningFcn(hObject, eventdata, handles, varargin)

handles.output = hObject;

guidata(hObject, handles);

function varargout = guardar_figuras_axis2_OutputFcn(hObject, eventdata, handles)

varargout{1} = handles.output;

%1RA FORMA

x=linspace(-2*pi,2*pi);

figure(1);

h=plot(x,sin(x));

xlabel('xlabel')

ylabel('ylabel')

saveas(h,'guardar_figuras_axis2_1.jpg');

close(1)

%2DA FORMA

x=linspace(-2*pi,2*pi);

axes(handles.axes1)

plot(x,sin(x));

xlabel('xlabel')

ylabel('ylabel')

F = getframe(gca,[-60 -60 380 360 ]);

imwrite(F.cdata,'guardar_figuras_axis2_2.jpg');

%3RA FORMA

h=figure(1);

plot(x,sin(x));

xlabel('xlabel')

ylabel('ylabel')

print(h,'-djpeg','-r200','guardar_figuras_axis2_3.jpg')

close(h)