A Stable Extended Algorithm for Generating Polynomial Remainder Sequence
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- OHSAKO Naoyuki
- Department of Information Engineering, School of Engineering Nagoya University
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- SUGIURA Hiroshi
- Department of Information Engineering, School of Engineering Nagoya University
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- TORII Tatsuo
- Department of Information Engineering, School of Engineering Nagoya University
Bibliographic Information
- Other Title
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- 多項式剰余列の安定な拡張算法
- タコウシキ ジョウヨレツ ノ アンテイ ナ カクチョウ サンポウ
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Abstract
Given two univariate polynomials F(z) and G(z), we show a stable extended algorithm for generating polynomial remainder sequence based on QR decomposition using Givens rotations. An arbitrary remainder polynomial P(z) of F(z) and G(z) can be written in the form P(z)=A(z)F(z)+B(z)G(z). Here, the each 2 norm of the pair (A(z), B(z)) is kept as constant one through all the Givens rotations, which guarantees the numerical stability of our method.
Journal
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- Transactions of the Japan Society for Industrial and Applied Mathematics
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Transactions of the Japan Society for Industrial and Applied Mathematics 7 (3), 227-255, 1997
The Japan Society for Industrial and Applied Mathematics
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Details 詳細情報について
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- CRID
- 1390282680744710784
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- NII Article ID
- 110001883656
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- NII Book ID
- AN10367166
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- ISSN
- 09172246
- 24240982
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- NDL BIB ID
- 4292712
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL
- CiNii Articles
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- Abstract License Flag
- Disallowed