hf=figure('position',[200 200 600 400],'name','uicontrol1','numbertitle','off'); ha=axes('position',[0.4 0.1 0.5 0.7],'box','on'); hbsin=uicontrol(hf,'style','pushbutton','position',[50,140,100,30],'string','绘制sin(x)','callback',['subplot(ha);' 'x=0: