disc.m

Matlab sources codes

clear;clc
n=-5:5;
up=n==0;
us=n>=0;
ramp=n.*us;
figure
subplot(3,1,1);
stem(n,up);
subplot(3,1,2);
stem(n,us,'g','*');
subplot(3,1,3);
stem(n,ramp,'r','*');