Algol Procedures for the Fast Fourier Transform (Algorithm 338 [C6]) CACM November, 1968 Singleton, R. C. fast Fourier transform, complex Fourier transform, multivariate Fourier transform, Fourier series, harmonic analysis, spectral analysis, orthogonal polynomials, orthogonal transformation, virtual core memory, permutation 3.15 3.83 5.12 5.14 CA681110 JB February 21, 1978 2:29 PM 1668 4 1669 1669 4 1669 1679 4 1669 1728 4 1669 2859 4 1669 1525 5 1669 1668 5 1669 1669 5 1669 1669 5 1669 1669 5 1669 1525 6 1669 1669 6 1669