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How do I compute impulse response?

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How can I calculate the impulse response for the following equation:
y[n]=-5*X[n]+2*X[n-1]-5*X[n-2]+2*X[n-3]

Accepted Answer

Andrei Bobrov
Andrei Bobrov on 9 Jan 2016
Edited: MathWorks Support Team on 22 May 2019
You can use the filter function with the coefficients as an input argument.
  1 Comment
mustafa mutlu
mustafa mutlu on 10 Jan 2016
thank you for your contribution

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