How is it that there are only N samples for F(n) whereas the matrix equation makes use of F from 0 to 2N-1? Bsofly 16:47, 4 December 2006 (UTC)
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Formulation is clearly wrong. —Preceding unsigned comment added by 130.203.193.252 (talk) 19:05, 10 October 2007 (UTC)
The formulation is correct. See Eq. 11 of the citation [1]. --Chassin (talk) 19:01, 10 October 2010 (UTC)