exm050206.m

matlab电子书籍

t=2*pi*(0:20)/20;
y=cos(t).*exp(-0.4*t);
stem(t,y,'g','Color','k');
hold on
stairs(t,y,':r','LineWidth',3)
hold off
legend('\fontsize{14}\it stem','\fontsize{14}\it stairs')
box on