figure0520.m

1． 该光盘包含了“信号与系统分析及MATLAB实现”第五章的所有程序； 2． 为了方便读者阅读程序

x = 0:0.1:4;
y = sin(x.^2).*exp(-x);
hl=plot(x,y);
hc=text(1.18,0.4,'绘制的曲线sin(x^2)*e^{(-x)}');
set(gca,'XGrid','on','YGrid','on');
set(hl,'linestyle',':');
set(hl,'Color','red');
set(hc,'string','修改属性的sin(x^2)*e^{(-x)}曲线');
set(hc,'fontsize',10,'rotation',-18);