Wang, Zhongde On computing the discrete Fourier and cosine transforms. (English) Zbl 0621.65034 IEEE Trans. Acoust. Speech Signal Process. 33, 1341-1344 (1985). An efficient algorithm based on real matrix decomposition is developed for computing a class of sinusoidal transforms, that include the discrete Fourier and cosine transform. Cited in 5 Documents MSC: 65F30 Other matrix algorithms (MSC2010) 65T40 Numerical methods for trigonometric approximation and interpolation Keywords:discrete Fourier transform; discrete cosine transform; real matrix decomposition; sinusoidal transforms PDFBibTeX XMLCite \textit{Z. Wang}, IEEE Trans. Acoust. Speech Signal Process. 33, 1341--1344 (1985; Zbl 0621.65034) Full Text: DOI