How do I calculate the impulse response?
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dhanshri kulkarni on 26 Feb 2015
Answered: Altanshagai on 10 Mar 2023 at 10:01
How do I write the code in order to get the impluse response for the following equation:
michael scheinfeild on 26 Feb 2015
% ~ (check indexes im not sure ..)
Jens Kritian Poulsen on 2 Mar 2021
Edited: Jens Kritian Poulsen on 2 Mar 2021
There are errors in the solution shown by Michael Scheinfeild, e.g. last line and it doesn't calculate the impulse response.
The solution by John D'Errico is okay (albeit a bit short)
The problem by itself is so simple you don't really need Matlab ([1 1 1] is the impulse response).
More Answers (3)
John D'Errico on 26 Feb 2015
Use filter, or conv. WTP?
Compute the vector x, then get y from x.
y = conv(x,[1 1 1]);
and if x was [0 0 1 0 0], then what would y be from the above call to conv?
MathWorks Support Team on 22 May 2019
To compute a 3 tap FIR filter impulse response, use “fft” with the corresponding coefficients. In this case,
>> fft([1 1 1])
Depending on the frequency resolution that you need, you will also have to specify the length of the transformation.
Find more on Filter Analysis in Help Center and File Exchange
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