%使用低層命令創(chuàng)建圖形對(duì)象畫(huà)圖
h_fig=figure('color','red','menubar','none','position',[0,0,300,300]);
 x=0:0.1:2*pi;
 y=sin(x).*exp(-x);
 h_line1=plot(x,y,'b');
 title('y=exp(-x)*sin(x)')
 set(gca,'ygrid','on')
line1width=get(h_line1,'linewidth')
 set(h_line1,'linewidth',3)
 h_title_fontsize=get(gca,'title')
 titlefontsize=get(h_title_fontsize,'fontsize')
 set(h_title_fontsize,'fontsize',13)