Define a MATLAB vector nx to be the time index vector and another vector x to be the of the signals x[n] at those samples, given by: -2 5 -2 n = n = 1 x[n] = 2 n = 1 n = 3 otherwise

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Define a MATLAB vector nx to be the time index vector and another vector x to be the values
of the signals x[n] at those samples, given by:
-2
5
-2
1
2
n =
n =
x[n] :
1
3
n =
n =
otherwise
a) Plot this discrete signal and DO NOT FORGET TO LABEL THE FIGURE.
b) Define the vectors x1 through x3 representing the following:
• x1[n]=x[n+1]
x2[n]=x[n-1]
x3[n]=3x[-n+4]
Let nx1, nx2 and nx3 be the time indexes of x1, x2 and x3 respectively.
Using Subplot, show the signals x1[n], x2[n] and x3[n] in a well labeled figure.
Transcribed Image Text:Define a MATLAB vector nx to be the time index vector and another vector x to be the values of the signals x[n] at those samples, given by: -2 5 -2 1 2 n = n = x[n] : 1 3 n = n = otherwise a) Plot this discrete signal and DO NOT FORGET TO LABEL THE FIGURE. b) Define the vectors x1 through x3 representing the following: • x1[n]=x[n+1] x2[n]=x[n-1] x3[n]=3x[-n+4] Let nx1, nx2 and nx3 be the time indexes of x1, x2 and x3 respectively. Using Subplot, show the signals x1[n], x2[n] and x3[n] in a well labeled figure.
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