例7.2绘制曲线y=2e-0.5xsin(2πx),并建立一个与 之相联系的快捷菜单,用以控制曲线的线型和曲线宽 度 程序如下: x=0pi/100:2*pi y=2 exp(-05*x).*sin(2*pi*x) hI=plot(x, y) hc=uicontextmenu %建立快捷菜单 hls= ulmen(hc, Label!线型);%建立菜单项 hlw= ulmen(hc, Label线宽) uimenu(hls, Label,'ME, Call, 'set(hl, " Line Style"," " ) uimenu(hls, Label, '*', Call, 'set(hl, " Line Style", "); uimenu(hlw, Label, tAwL, 'Call, 'set(hl, "Line Width", 2); uimenu(hlw, Label, 4, Call, set(hl, "Line Width", 0.5); set( hl. 'UIContextMenu,hc);%将该快捷菜单和曲线对象联系起来例7.2 绘制曲线y=2e-0.5xsin(2πx)，并建立一个与 之相联系的快捷菜单，用以控制曲线的线型和曲线宽 度。 程序如下： x=0:pi/100:2*pi; y=2*exp(-0.5*x).*sin(2*pi*x); hl=plot(x,y); hc=uicontextmenu; %建立快捷菜单 hls=uimenu(hc,'Label','线型'); %建立菜单项 hlw=uimenu(hc,'Label','线宽'); uimenu(hls,'Label','虚线','Call','set(hl,''LineStyle'','':'');'); uimenu(hls,'Label','实线','Call','set(hl,''LineStyle'',''-'');'); uimenu(hlw,'Label','加宽','Call','set(hl,''LineWidth'',2);'); uimenu(hlw,'Label','变细','Call','set(hl,''LineWidth'',0.5);'); set(hl,'UIContextMenu',hc); %将该快捷菜单和曲线对象联系起来