h4 = subplot(4,1,4);
%subplot命令要加在画图前%%%%%%%%%调整子图位置%%%%%%%%%%%%%%%%%%%
%%%%%%%前两个参数确定该子图起始位置,0.05,0.15表示该子图左下角坐标
%%%%%%%后两个参数控制每幅子图宽高。宽度与高度的调整可以控制整张图右侧方及上方空白区域大小。这里设置子图高度相同为
%%%%%%%0.58,这里要根据整个画布进行调整,让0.58与600x200的画布高度贴合,尽量使之紧凑。
set(h1,'position',[0.13 0.695+0.03 0.8 0.21]);
set(h2,'position',[0.13 0.4865+0.03 0.8 0.21]);
set(h3,'position',[0.13 0.278+0.03 0.8 0.21]);
set(h4,'position',[0.13 0.07+0.03 0.8 0.21]);
%%%%%set(h2,'position',[0.2 0.35-0.005 0.6 0.15]);