Wang, Zhongde Fast algorithms for the discrete W transform and for the discrete Fourier transform. (English) Zbl 0577.65134 IEEE Trans. Acoust. Speech Signal Process. 32, 803-816 (1984). Cited in 3 ReviewsCited in 36 Documents MSC: 65T40 Numerical methods for trigonometric approximation and interpolation 65F30 Other matrix algorithms (MSC2010) 42A38 Fourier and Fourier-Stieltjes transforms and other transforms of Fourier type Keywords:sparse matrix factorization; discrete W transform; discrete cosine transform; discrete sine transform; discrete Fourier transform PDFBibTeX XMLCite \textit{Z. Wang}, IEEE Trans. Acoust. Speech Signal Process. 32, 803--816 (1984; Zbl 0577.65134) Full Text: DOI