Why do I receive Vectors must be the same length error in this code?

1 visualizzazione (ultimi 30 giorni)
t=-1:0.01:5;
f=(5*cos(pi*t)).*((t>=0)-(t>=1)); %input signal f(t)
h=1.5*((t>=0)-(t>=1.5)-1*((t>=2)-(t>=2.5))); % LTI system impulse response h(t)
t1=-1:5:length(y)
y= conv(f,h); %output signal y(t)
figure(1)
%plotting input signal f(t)
subplot(3,1,1)
plot(t,f)
%plotting impulse response of LTI h(t)
subplot(3,1,2)
plot(t,h)
%plotting output signal y(t)
subplot(3,1,3)
plot(t1,y)

Risposte (1)

Ive J
Ive J il 23 Gen 2022
Modificato: Ive J il 23 Gen 2022
Error is very obvious: y and t1 don't have the same length. Try this
t1 = linspace(1, max(y), length(y));
plot(t1, y)
  2 Commenti
ADLINA AZWEEN JOHANIS
ADLINA AZWEEN JOHANIS il 23 Gen 2022
do you know if Iits normal for the amplitude of the convolution signal to be different from what we calculate manually.
Ive J
Ive J il 23 Gen 2022
I'm not familiar with that, but conv(u, v) returns a vector of length numel(u) + numel(v) - 1

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R2021b

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