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I am Huda. May I know, if I have a circulant matrix, can I calculate its inversion using fast fourier transform? If yes, I really need an explanation.

Thank you.

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    $\begingroup$ Hi Huda. Wikipedia has a brief explanation here of how the discrete Fourier transform (or the fast Fourier transform if you prefer) can be used to invert a circulant matrix. Does that suffice for you, or would you like further clarification? $\endgroup$ – Omnomnomnom Feb 14 at 16:25
  • $\begingroup$ It is too general for me. I prefer to have some examples and it is better if you can share with me any books that I can refer to. Thank you $\endgroup$ – Nurulhuda B Ismail Feb 14 at 22:37

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