Hello. Im currently creating a code in Matlab and I am running into this error that I will attach in a screenshot. I am new to Matlab so I am having trouble fixing it.
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clear all
clc
t=0:0.01:5;
h=12.0 * exp(-2.0*t).*(t>= 0);
x=5* (t >= 0)-5* (t >=1.0);
y=conv(x,h,'full')*0.01;
figure;
subplot(3,1,1);
plot(t,h,'r','Linewidth',2);
title('Impulse Response h(t)');
xlabel('time (s)');
ylabel('amplitude');
subplot(3,1,2);
plot(t,x,'b','Linewidth',2);
title('input signal x(t)');
xlabel('time (s)');
ylabel('amplitude');
subplot(3,1,3);
plot(t(1:length(y)),y,'g','Linewidth',2);
title('Analytical System Response y(t)');
xlabel('time (s)');
ylabel('amplitude');
3 commentaires
John D'Errico
le 7 Fév 2024
Modifié(e) : John D'Errico
le 7 Fév 2024
When you attach a picture of code, you make it far more difficult for someone to help you, since we are forced to retype your code completely.
What is worse, if you don't even show the error you got! Can we read your mind? I'm tryign, but the MATLAB crystal ball is foggy today.
Is there a good reason why you want to make it more difficult to get help, since it is trivial to paste in the text itself?
When you do give us the text, also paste in the COMPLETE ERROR MESSAGE. So EVERYTHING in red.
Réponses (2)
Walter Roberson
le 7 Fév 2024
y=conv(x,h,'full')*0.01;
The length of a 'full' convolution is longer than than the individual inputs: it is (length(First) + length(Second) - 1)
plot(t(1:length(y)),y,'g','Linewidth',2);
You use the length of the full convolution to index something that is the length of the original signal.
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