www.gusucode.com > IPCV_Eval_Kit_R2019a_0ce6858工具箱matlab程序源码 > IPCV_Eval_Kit_R2019a_0ce6858/code/demo_files/I1_02_grademo/stem2d.m

    f1=figure(1); clf reset
set(f1,'units','normalized','position',[0.3652 0.3008 0.6016 0.6016])

alpha=0.02; beta=0.5;
t=0:2:200;
y=exp(-alpha*t).*sin(beta*t);
stem(t,y)
title('y=exp^{(-\alphat)}\cdotsin(\betat)')