page29_1_3e.m

Signal and Sytem Using Matlab 书的源代码 注释详尽 m文件

t=0:0.01:5;
x=3*exp(-1.*t).*cos(2*t);
plot(t,x);
axis([-1 5 -1 3]);
grid;
xlabel('time(s)');
ylabel('x(t)');