
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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![### Problem 4. Given the Linear Difference Equation
\[ y[n] = 0.5 y[n-1] + 2 x[n-1] \]
Determine the output sequence for each of the following inputs. In each case the final answer \( y[n] \) has to be a real signal (**nothing complex**):
**Q1:** \( x[n] = 2 \cos(0.5\pi n)u[n] \)
**Q2:** \( x[n] = 2 \cos(0.5\pi n) \)
**Q3:** \( x[n] = 2 \cos(0.5\pi n) u[-n-1] \)
For educational purposes, this problem examines your understanding of solving linear difference equations and determining output sequences for given inputs. Make sure to derive real-valued signals for the final outputs.](https://content.bartleby.com/qna-images/question/b8d14a18-18b6-4b9f-91b0-8c8acc9b34e2/ccded77b-abc7-47e3-ae8f-66059095fd6c/mdhtt0n_thumbnail.png)
Transcribed Image Text:### Problem 4. Given the Linear Difference Equation
\[ y[n] = 0.5 y[n-1] + 2 x[n-1] \]
Determine the output sequence for each of the following inputs. In each case the final answer \( y[n] \) has to be a real signal (**nothing complex**):
**Q1:** \( x[n] = 2 \cos(0.5\pi n)u[n] \)
**Q2:** \( x[n] = 2 \cos(0.5\pi n) \)
**Q3:** \( x[n] = 2 \cos(0.5\pi n) u[-n-1] \)
For educational purposes, this problem examines your understanding of solving linear difference equations and determining output sequences for given inputs. Make sure to derive real-valued signals for the final outputs.
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