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检索条件"主题词=Qr algorithm"
103 条 记 录,以下是1-10 订阅
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qr algorithm with two-sided Rayleigh quotient shifts
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NUMERICAL LINEAR ALGEBRA WITH APPLICATIONS 2023年 第5期30卷 e2487-e2487页
作者: Chen, Xiao Shan Xu, Hongguo South China Normal Univ Sch Math Guangzhou Guangdong Peoples R China Univ Kansas Dept Math Lawrence KS USA Univ Kansas Dept Math Lawrence KS 66045 USA
We introduce the two-sided Rayleigh quotient shift to the qr algorithm for non-Hermitian matrices to achieve a cubic local convergence rate. For the singly shifted case, the two-sided Rayleigh quotient iteration is in... 详细信息
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algorithm 1019: A Task-based Multi-shift qr/QZ algorithm with Aggressive Early Deflation
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ACM TRANSACTIONS ON MATHEMATICAL SOFTWARE 2022年 第1期48卷 11-11页
作者: Myllykoski, Mirko Umea Univ Dept Comp Sci SE-90187 Umea Sweden Umea Univ HPC2N SE-90187 Umea Sweden
The qr algorithm is one of the three phases in the process of computing the eigenvalues and the eigenvectors of a dense nonsymmetric matrix. This paper describes a task-based qr algorithm for reducing an upper Hessenb... 详细信息
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An extended Hamiltonian qr algorithm
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CALCOLO 2017年 第3期54卷 1097-1120页
作者: Ferranti, Micol Iannazzo, Bruno Mach, Thomas Vandebril, Raf Katholieke Univ Leuven Dept Comp Sci Celestijnenlaan 200A B-3001 Heverlee Belgium Nazarbayev Univ Sch Sci & Technol Dept Math Astana 010000 Kazakhstan Univ Perugia Dipartimento Matemat & Informat Via Vanvitelli 1 I-06123 Perugia Italy
An extended qr algorithm specifically tailored for Hamiltonian matrices is presented. The algorithm generalizes the customary Hamiltonian qr algorithm with additional freedom in choosing between various possible exten... 详细信息
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A note on the convergence theorem of the tridiagonal qr algorithm with Wilkinson's shift
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JAPAN JOURNAL OF INDUSTRIAL AND APPLIED MATHEMATICS 2015年 第2期32卷 465-487页
作者: Aishima, Kensuke Univ Tokyo Bunkyo Ku Tokyo 113 Japan
We discuss the convergence rate of the qr algorithm with Wilkinson's shift for tridiagonal symmetric eigenvalue problems. It is well known that the convergence rate is theoretically at least quadratic, and practic... 详细信息
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Full Symmetric Toda System: Solution via qr-Decomposition
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FUNCTIONAL ANALYSIS AND ITS APPLICATIONS 2023年 第4期57卷 346-363页
作者: Talalaev, D. V. Chernyakov, Yu. B. Sharygin, G. I. Kurchatov Inst Natl Res Ctr Moscow Russia Lomonosov Moscow State Univ Moscow Russia PG Demidov Yaroslavl State Univ Yaroslavl Russia Natl Res Univ Moscow Inst Phys & Technol Moscow 141701 Russia Russian Acad Sci Inst Informat Transmiss Problems Kharkevich Inst Moscow Russia
The full symmetric Toda system is a generalization of the open Toda chain, for which the Lax operator is a symmetric matrix of general form. This system is Liouville integrable and even superintegrable. Deift, Lee, Na... 详细信息
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algorithms for modifying recurrence relations of orthogonal polynomial and rational functions when changing the discrete inner product
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APPLIED NUMERICAL MATHEMATICS 2024年 200卷 429-452页
作者: Van Barel, Marc Van Buggenhout, Niel Vandebril, Raf KU Leuven Univ Leuven Dept Comp Sci Celestijnenlaan 200A B-3001 Leuven Belgium Charles Univ Prague Fac Math & Phys Sokolovska 83 Prague 18675 Czech Republic
Often, polynomials or rational functions, orthogonal for a particular inner product are desired. In practical numerical algorithms these polynomials are not constructed, but instead the associated recurrence relations... 详细信息
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Asymmetric healthcare biometric image encryption and watermarking technique using QZ synthesis and qrD algorithm
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MULTIMEDIA TOOLS AND APPLICATIONS 2024年 第31期83卷 76223-76245页
作者: Khurana, Mehak Rakheja, Pankaj NorthCap Univ Dept CSE Gurugram 122017 India
The research paper introduces an advanced asymmetric biometric image encryption technique that integrates Quasi-Zernike synthesis (QZS), qr algorithm, and hybrid transforms for enhanced security and integrity. The enc... 详细信息
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High-Performance of Eigenvalue Decomposition on FPGA for the DOA Estimation
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IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY 2023年 第5期72卷 5782-5797页
作者: Zhang, Xiao-Wei Yan, Di Zuo, Lei Li, Ming Guo, Jian-Xin Xidian Univ Natl Lab Radar Signal Proc Xian 710126 Peoples R China Xijing Univ Sch Informat Engn Xian 710123 Peoples R China Changan Univ Sch Informat Engn Xian 710064 Peoples R China
For the direction of arrival (DOA) in array signal processing, eigenvalue decomposition (EVD) is one key issue in hardware implementation of the multiple signal classification (MUSIC) algorithm. Therefore, we introduc... 详细信息
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Pole-Swapping algorithms for the Eigenvalue Problem
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丛书名: SIAM Spotlights
2025年
作者: Daan Camps Thomas Mach Raf Vandebril David S. Watkins
Get 10% off by pre-ordering this book.This item has not yet published. Pre-order now and we will ship and process payment when the book becomes available.To pre-order contact Customer Service:800-447-SIAM (US &amp... 详细信息
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An Empirical Comparison of Encoding algorithms of the Low Density Parity Check Code for Decode and Forward Protocol Relay System
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WIRELESS PERSONAL COMMUNICATIONS 2021年 第3期117卷 2007-2026页
作者: Jamaah, S. Hushairi, Z. Al-Khalid, O. Khairuddin, A. H. Univ Malaysia Sarawak Fac Engn Sarawak Malaysia
Decode and a forward (DF) protocol relay technique in cooperative communication is becoming a more attractive method to achieve a higher throughput requirement for wireless communication these days. But the high compl... 详细信息
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