3 results for tags
polynomial x
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Complex floats and some big root-finding speedups
The statement "I've found that Aberth performs worse [than Weierstrass-Durand-Kerner] on most examples as its faster convergence is offset by the slower evaluation." is interesting.Mon Oct 28 12:17:41 2024 - permalink -
Fredrik Johansson is the author of https://mpmath.org/, https://arblib.org/ and https://flintlib.org/ arbitrary-precision libraries and of the Mathematical Functions Grimoire https://fungrim.org/- https://fredrikj.net/blog/2024/06/complex-floats-and-some-big-root-finding-speedups/
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Lin-Bairstow polynomial roots finder algorithm for DM42
Includes a link to https://technical.swissmicros.com/doc/pdf/Bairstow.pdfMon Jul 8 00:09:21 2024 - permalink -- https://www.hpmuseum.org/forum/thread-21984.html
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Polynomial Roots Finder - SwissMicros Calculator Forum
Uses Bairstow's algorithm, code for dm42 and a PDF document. A matlab version is mentioned.Mon Nov 14 11:28:36 2022 - permalink -- https://forum.swissmicros.com/viewtopic.php?f=19&t=2536