Check whether 1-D DFT is an example of a unitary transform or not.

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written 5.4 years ago by

teamques10 ★ 64k

• modified 4.0 years ago

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written 5.4 years ago by

teamques10 ★ 64k

The Fourier transform can be represented as

F = Wf where f is the input and W is the DFT matrix.

Taking N = 4, we form a DFT matrix

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