Use MATLAB to find the energy of x(n) = cos ( pi *n/8) and -16<n<16

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EEScience
EEScience on 26 Sep 2015
Answered: Star Strider on 26 Sep 2015
Use MATLAB to find the energy of x(n) = cos ( pi *n/8) and -16<n<16

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Accepted Answer

Star Strider
Star Strider on 26 Sep 2015
I’ll let you define ‘energy’, but the amplitude is easy enough:
n = linspace(-16, 16);
x = cos(pi*n/8);

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