Determining how to use the function

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Reference no: EM13139950

Plot Magnitude of a Sequence in Matlab

Consider a sequence x[n]={1,-1,1,-1}.

Determining how to use the function fft to find the DFT coefficients X[k] of x[n] in Matlab. Also, how would you plot the magnitude of X[k] in Matlab?

Reference no: EM13139950

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