ex_4.m

信号与系统分析以matlab实现

%ex_4
clear all;
x1=[1,2,3,4];
n1=[0,1,2,3];
x2=[-1,2,-2];
n2=[-1,0,1];
[y,n]=sigadd(x1,n1,x2,n2);
stem(n,y)