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A) Determine whether the systems described below are causal (i) y[n] = 0.5x[n] +2.5x[n − 2] for n ≥ 0 (ii) y[n] = 0.25x[n − 1] + 0.5x[n + 1] −0.4y[n − 1] for n ≥0 - B) Given the linear system y[n] = 2x[3n], find whether the system is time invariant or not.

A) Determine whether the systems described below are causal (i) y[n] = 0.5x[n] +2.5x[n − 2] for n ≥ 0 (ii) y[n] = 0.25x[n − 1] + 0.5x[n + 1] −0.4y[n − 1] for n ≥0 - B) Given the linear system y[n] = 2x[3n], find whether the system is time invariant or not.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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A) Determine whether the systems described below are causal (i) y[n] = 0.5x[n] +2.5x[n − 2] for n ≥ 0 (ii) y[n] = 0.25x[n − 1] + 0.5x[n + 1] −0.4y[n − 1] for n ≥0 - B) Given the linear system y[n] = 2x[3n], find whether the system is time invariant or not.
Transcribed Image Text:A) Determine whether the systems described below are causal (i) y[n] = 0.5x[n] +2.5x[n − 2] for n ≥ 0 (ii) y[n] = 0.25x[n − 1] + 0.5x[n + 1] −0.4y[n − 1] for n ≥0 - B) Given the linear system y[n] = 2x[3n], find whether the system is time invariant or not.
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