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@plumberry

2.4.2

Octave
1 minute ago
clc; clear; close all; % Time index n = -5:5; % Input signals x1 = [0 0 0 1 2 3 2 1 0 0 0]; x2 = [0 0 1 1 1 1 1 1 1 0 0];

2.4.1

Octave
20 minutes ago
clc; clear; close all; % Time index n = -5:5; % Input signals x1 = [0 0 0 1 2 3 2 1 0 0 0]; x2 = [0 0 1 1 1 1 1 1 1 0 0];

odd and even signals

Octave
1 day ago
clc; clear; close all; n = -10:.5:10; x = n.^2; % example signal — try changing this x_reversed = fliplr(x); % this represents x(-t) since t is symmetric about 0 if isequal(x, x_reversed)

adding subtracting and mutliplying two signals

Octave
1 day ago
clc; clear; close all; function u = unitStep(n) u = n >= 0; end; function s = SinC(n) s = sin(n)./(n);

amplitude scaling

Octave
1 day ago
clear all; function u = unitStep(n) u = n>=0; end n = -10:1:10 stem(n,unitStep(n)./2,"filled");