3.1. A number of discrete-time systems are specified below in terms of their input-output relationships. For each case determine if the system is linear and/or time-invariant. y/n] = x[n] u[n] y/n] = 3 x[n] + 5 y/n] = 3 x[n] + 5 u[n] d. y[n] = nx[n] y[n] = cos(0.2Tn) x[n] y/n] = x[n] + 3x[n – 1] y/n] = x[n] + 3x[n – 1] ¤[n – 2] a. b. с. %3D e. f. g. %3D

Computer Networking: A Top-Down Approach (7th Edition)
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Author:James Kurose, Keith Ross
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Chapter1: Computer Networks And The Internet
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Can I get help with doing problem A and C in the image. With details on how to do it. Thank you.

3.1. A number of discrete-time systems are specified below in terms of their input-output
relationships. For each case determine if the system is linear and/or time-invariant.
y[n] = x[n] u[n]
y[n] = 3x[n] + 5
y[n] = 3 x[n] + 5 u[n]
y[n] = n r[n]
y[n] =
a.
b.
%3D
С.
d.
%3D
cos(0.2rn) x[n]
f. y[n] = x[n] +3 x[n – 1]
y[n] = x[n] +3x[n – 1] x[n – 2]
e.
-
g.
-
-
Transcribed Image Text:3.1. A number of discrete-time systems are specified below in terms of their input-output relationships. For each case determine if the system is linear and/or time-invariant. y[n] = x[n] u[n] y[n] = 3x[n] + 5 y[n] = 3 x[n] + 5 u[n] y[n] = n r[n] y[n] = a. b. %3D С. d. %3D cos(0.2rn) x[n] f. y[n] = x[n] +3 x[n – 1] y[n] = x[n] +3x[n – 1] x[n – 2] e. - g. - -
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