Major Political Events
Members of the Twelfth United States Congress
... for a DFT). This follows from the identities cos[(j+1/2)(-k-1+1/2)π/n] = +cos[(j+1/2)(k+1/2)π/n] and cos[(j+1/2)(2n-k-1+1/2)π/n] = -cos[(j+1/2)(k+1/2)π/n]. ...
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