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Irrational base discrete weighted transform
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Irrational base discrete weighted transform
In mathematics, the irrational base discrete weighted transform (IBDWT) is a variant of the fast Fourier transform using an irrational base; it was developed by Richard Crandall (Reed College), Barry Fagin (Dartmouth College) and Joshua Doenias (NeXT Software) in the early 1990s using Mathematica.
The IBDWT is used in the Great Internet Mersenne Prime Search's Prime95 client to perform FFT multiplication.
References
- Richard Crandall, Barry Fagin: Discrete weighted transforms and large-integer arithmetic, Mathematics of Computation 62, 205, 305-324, January 1994 (PDF file)
- Richard Crandall: Topics in Advanced Scientific Computation, TELOS/Springer-Verlag
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This article is licensed under the GNU Free Documentation License.
Last updated on Saturday June 14, 2008 at 09:42:15 PDT (GMT -0700)
View this article at Wikipedia.org - Edit this article at Wikipedia.org - Donate to the Wikimedia Foundation
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