zuotu.m

用matlab编写的数字信号处理程序

clc,clear all,close all;
x=linspace(0,2*pi,50);
y=sin(x);
z=cos(x);
plot(x,y,x,z);
grid;
xlabel('x');
ylabel('y and z');
text(2,0.8,'sin(x)');
text(1,0.4,'cos(x)');