Matlab code for Unit Impulse (Method 3) and unit step signal

%Matlab code for Unit Impulse

close all;

clc;

n=-20:20;

x_n=n==0;

stem(n,x_n);

xlabel('time samples');

ylabel('Amplitude');

%Matlab code for Unit step

close all;

clc;

n=-20:20;

x_n=n>=0;

stem(n,x_n);

xlabel('time samples');

ylabel('Amplitude');

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