Problem 1.4 Consider a discrete-time system with input an] and output y n related by no k-n n0 where no is a finite positive integer (a) Is the system linear? (b) Is the system time-invariant? (c) Is the system causal? (d) Is the system stable? Problem 1.5 (Matlab Problem) Make a plot of each of the following signals in Matlab for the interval -5 S n S 20 using the stem command You might want to review Tutorial 1.1 in the Matlab textbook for helpful commands to define the signals. Your plots must have the correct labels on both axes and a title to receive full credit. ((T/4)n) sin sin (31m/4)n) (4/5)” un (4/5) (TT-2) (-3/4)

89 2 - Problem 1.4 Consider a discrete-time system with input an] and output y n related by no k-n n0 where no is a finite positive integer (a) Is the system linear? (b) Is the system time-invariant? (c) Is the system causal? (d) Is the system stable? Problem 1.5 (Matlab Problem) Make a plot of each of the following signals in Matlab for the interval -5 S n S 20 using the stem command You might want to review Tutorial 1.1 in the Matlab textbook for helpful commands to define the signals. Your plots must have the correct labels on both axes and a title to receive full credit. ((T/4)n) sin sin (31m/4)n) (4/5)" un (4/5) (TT-2) (-3/4)

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images - Problem 1.4 Consider a discrete-time system with input an] and output y n related by no k-n n0 where no is a finite positive integer (a) Is the system linear? (b) Is the system time-invariant? (c) Is the system causal? (d) Is the system stable? Problem 1.5 (Matlab Problem) Make a plot of each of the following signals in Matlab for the interval -5 S n S 20 using the stem command You might want to review Tutorial 1.1 in the Matlab textbook for helpful commands to define the signals. Your plots must have the correct labels on both axes and a title to receive full credit. ((T/4)n) sin sin (31m/4)n) (4/5)" un (4/5) (TT-2) (-3/4)

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