Question: Compute the 4-points DFT of the sequence x[n]-{2, 1) using the direct transformation formula. Compute also DFT, and compare the final results with input[n]

Compute the 4-points DFT of the sequence x[n]-{2, 1) using the direct

Compute the 4-points DFT of the sequence x[n]-{2, 1) using the direct transformation formula. Compute also DFT, and compare the final results with input[n] sequence.

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