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检索条件"主题词=randomized algorithm"
627 条 记 录,以下是61-70 订阅
排序:
Pass-efficient truncated UTV for low-rank approximations
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COMPUTATIONAL & APPLIED MATHEMATICS 2024年 第1期43卷 1-18页
作者: Ji, Ying Feng, Yuehua Dong, Yongxin Shanghai Univ Engn Sci Sch Math Phys & Stat Shanghai 201620 Peoples R China East China Univ Polit Sci & Law Sch Law & Criminal Justice Shanghai 201620 Peoples R China
We propose the pass-efficient truncated UTV algorithm, a faster variant of the TUXV algorithm for low-rank approximations. Compared with the TUXV algorithm, data transfer and the complexity of the proposed algorithm a... 详细信息
来源: 评论
UTV decomposition of dual matrices and its applications
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COMPUTATIONAL & APPLIED MATHEMATICS 2024年 第1期43卷 1-18页
作者: Xu, Renjie Wei, Tong Wei, Yimin Yan, Hong Fudan Univ Sch Math Sci Shanghai 200433 Peoples R China Fudan Univ Inst Sci & Technol Brain Inspired Intelligence Shanghai 200433 Peoples R China Fudan Univ Sch Math Sci Shanghai Key Lab Contemporary Appl Math Shanghai 200433 Peoples R China City Univ Hong Kong Ctr Intelligent Multidimens Data Anal Dept Elect Engn Hong Kong Peoples R China
Matrix factorization in the context of dual numbers has found applications, in recent years, in fields such as kinematics and computer graphics. In this paper, we develop an efficient approach for handling large-scale... 详细信息
来源: 评论
Tracking tensor ring decompositions of streaming tensors
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COMPUTATIONAL & APPLIED MATHEMATICS 2025年 第1期44卷 1-30页
作者: Yu, Yajie Li, Hanyu Chongqing Univ Coll Math & Stat Chongqing 401331 Peoples R China Chongqing Univ Key Lab Nonlinear Anal & its Applicat Minist Educ Chongqing Peoples R China
Tensor ring (TR) decomposition is an efficient approach to discover the hidden low-rank patterns in higher-order tensors, and streaming tensors are becoming highly prevalent in real-world applications. In this paper, ... 详细信息
来源: 评论
An L-DEIM induced high order tensor interpolatory decomposition
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JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS 2025年 453卷
作者: Cao, Zhengbang Wei, Yimin Xie, Pengpeng Ocean Univ China Sch Math Sci Qingdao 266100 Peoples R China Fudan Univ Sch Math Sci Shanghai 200433 Peoples R China Fudan Univ Key Lab Math Nonlinear Sci Shanghai 200433 Peoples R China
This paper derives the CUR-type factorization for tensors in the Tucker format based on a new variant of the discrete empirical interpolation method known as L-DEIM. This novel sampling technique allows us to construc... 详细信息
来源: 评论
SVD-based algorithms for fully-connected tensor network decomposition
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COMPUTATIONAL & APPLIED MATHEMATICS 2024年 第5期43卷 1-23页
作者: Wang, Mengyu Li, Hanyu Chongqing Univ Coll Math & Stat Chongqing Peoples R China Chongqing Univ Key Lab Nonlinear Anal & its Applicat Minist Educ Beijing Peoples R China
The popular fully-connected tensor network (FCTN) decomposition has achieved successful applications in many fields. A standard method to this decomposition is the alternating least squares. However, it often converge... 详细信息
来源: 评论
Scheduling periodic messages on a shared link without buffering
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JOURNAL OF SCHEDULING 2024年 第5期27卷 461-484页
作者: Guiraud, Mael Strozecki, Yann CESI Nanterre LINEACT BP 60293 Blvd Seine F-92006 Nanterre France Univ Versailles St Quentin DAVID Lab 45 Ave Etats Unis F-78000 Versailles France
Cloud RAN, a novel architecture for modern mobile networks, relocates processing units from antenna to distant data centers. This shift introduces the challenge of ensuring low latency for the periodic messages exchan... 详细信息
来源: 评论
Finding local optima in quadratic optimization problems in RP
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SOFT COMPUTING 2024年 第1期28卷 495-508页
作者: Gao, Lunshan Wilfrid Laurier Univ Dept Phys & Comp Sci 75 Univ Ave W Waterloo ON N2L3C5 Canada
This paper describes a new randomized algorithm for calculating local optima in standard quadratic optimization problems (StQPs) over the standard simplex. The new algorithm transforms StQPs into a new form by using a... 详细信息
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Distributed Primal-Dual Proximal algorithms for Convex Optimization Involving Three Composite Functions
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IEEE TRANSACTIONS ON CONTROL OF NETWORK SYSTEMS 2024年 第1期11卷 389-401页
作者: Ran, Liang Li, Huaqing Hu, Jinhui Lu, Qingguo Wang, Zheng Li, Zhe Chen, Guo Southwest Univ Coll Elect & Informat Engn Chongqing Key Lab Nonlinear Circuits & Intelligent Chongqing 400715 Peoples R China Cent South Univ Dept Automat Changsha 410083 Peoples R China Chongqing Univ Coll Comp Sci Chongqing 400044 Peoples R China Univ New South Wales Sch Elect Engn & Telecommun Sydney NSW 2052 Australia
This article develops a novel distributed primal-dua l proximal algorithm (PDPA-Dist) and its corresponding randomized version (Rand-PDPA-Dist) for solving convex optimization problems. The local objective consists of... 详细信息
来源: 评论
Double-Tucker Decomposition and Its Computations
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NUMERICAL LINEAR ALGEBRA WITH APPLICATIONS 2025年 第1期32卷
作者: Wang, Mengyu Cui, Honghua Li, Hanyu Xiamen Univ Wang Yanan Inst Studies Econ Xiamen Fujian Peoples R China Chongqing Univ Coll Math & Stat Chongqing Peoples R China
The famous Tucker decomposition has been widely and successfully used in many fields. However, it often suffers from the curse of dimensionality due to the core tensor and large ranks. To tackle this issue, we introdu... 详细信息
来源: 评论
A random sampling algorithm for fully-connected tensor network decomposition with applications
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COMPUTATIONAL & APPLIED MATHEMATICS 2024年 第4期43卷 1-22页
作者: Wang, Mengyu Cui, Honghua Li, Hanyu Chongqing Univ Coll Math & Stat Chongqing 401331 Peoples R China Xiamen Univ Wang Yanan Inst Studies Econ Fujian 361005 Peoples R China
Fully-connected tensor network (FCTN) decomposition is a generalization of the popular tensor train and tensor ring decompositions and has been applied to various fields with great success. The standard method for com... 详细信息
来源: 评论