Fast W transform. Algorithms and programs

zbMath0682.65087MaRDI QIDQ1824374

Zhong-De Wang

Publication date: 1989

Published in: Science in China. Series A (Search for Journal in Brave)

zbMATH Keywords

algorithmsorder reductiondiscrete W transformseven-odd decompositionminimum number of additions and multiplications

Mathematics Subject Classification ID

Trigonometric interpolation (42A15) Numerical methods for trigonometric approximation and interpolation (65T40) Fourier coefficients, Fourier series of functions with special properties, special Fourier series (42A16)

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An efficient algorithm for cyclic convolution based on fast-polynomial and fast-\(W\) transforms

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