GUI常用对象介绍2

 %示意line对象的用法
 hf=figure;
 hl=plot([:]);

 %示意line对象的属性
 get(hl)

 %设置line的颜色
 set(hl,'Color','r');

 %设置每个点形状
 set(hl,'Marker','p');

 %设置颜色
 set(hl,'MarkerEdgeColor','g','MarkerFaceColor','k')

 %绘图sin(x)
 hll=ezplot('sin(x)');%隐函数绘图
 x=get(hll,'XData');
 y=get(hll,'YData');

 figure
 plot(x,y);