MATLAB: Convolution of rect (t/2) and δ(t+2) – δ(t+1)

convolution

how can i plot this: g(t) = rect(t/2) * [δ(t+2) – δ(t+1)]. As matter of fact, i want to plot the convolution of this functions. But i'm having trouble creating the rect function. If anyone can help me, i would appreciate it very much.

Best Answer

You can make a rect function by making an array of zeros and placing stretch of 1's in it:

rectPulse = zeros(1, 20);
rectPulse(10:15) = 1;
plot(rectPulse, 'bs-');

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MATLAB: How to plot convolution of rect(t/2)*sgn(t)

You have to make the small adjustment of plotting every other value of y (since y is about twice the length of t), but if you want to plot y as a function of t, this will work:

        t = -5:0.01:5;
        x = double(abs(t) < 1));    % Convert logical to double
        h = sign(t);
        y = conv(x,h);
        figure(1)
        plot(t,y(1:2:end))          % Plot every other value of y

MATLAB: Impulse Response Convolution Plot

t=[-2*pi:2*pi]
f=@(x) x.^3;
h= 2*f(t)+ 2*f(t-pi) 
plot(t,h)

Best Answer

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MATLAB: How to plot convolution of rect(t/2)*sgn(t)

MATLAB: Impulse Response Convolution Plot

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