how to subtract two discrete unit impulses

how to plot the following h[n] = &[n]- &[n - 2].

Answer 1

[irtaza anwar]

close all clear all n=-2:2 x(n~=0)=0 x(n==0)=1 subplot(3,1,1) stem(n,x) w(n~=2)=0 w(n==2)=1 subplot(3,1,2) stem(n,w) y=x-n subplot(3,1,3) stem(n,y)

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