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Practice Question on Computing the Output of an LTI system by Convolution
The unit impulse response h[n] of a DT LTI system is
$ h[n]= \frac{1}{3^n} \ $
Use convolution to compute the system's response to the input
$ x[n]= \delta[n+2]+\delta[n+1]+\delta[n]+\delta[n-1]. \ $
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