Question

[20] Suppose that x(t) = t, when 0 ≤ t ≤ 2 and x(t)=4 - t,...

[20] Suppose that x(t) = t, when 0 ≤ t ≤ 2 and x(t)=4 - t, when 2 < t ≤ 4. Plot the signals x(t), x(-t), x(t/2), x(2 + 4t), and x(-2 - 4t).

I NEED MATLAB CODE PLEASE NOT BZ HAND. code and plot in MATLAB
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Homework Answers

Answer #1

(i) plot(t,x,'*')

title('x(t)')

(ii)t=t*(-1);

plot(t,x,'*')

title('x(-t)')

(iii)t=t*2;

plot(t,x,'*')

title('x(t/2)')

(iv) t=(t-2*ones(1,length(t)))/4

plot(t,x,'*')

title('x(2+4t)')

(v)t=(t+2*ones(1,length(t)))/(-4)

plot(t,x,'*')

title('x(-2-4t)')

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