If for some vector c = [c0, c1, …, c7], its discrete Fourier transform is f0=1 f1=1 f2=1 f3=1 f4=2 f5=2 f6=2 f7=2
define and find the discrete Fourier transforms of [c0, c2, c4, c6] and [c1, c3, c5, c7].
If for some vector c = [c0, c1, …, c7], its discrete Fourier transform is f0=1 f1=1 f2=1 f3=1 f4=2 f5=2 f6=2 f7=2
define and find the discrete Fourier transforms of [c0, c2, c4, c6] and [c1, c3, c5, c7].