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检索条件"主题词=Randomized algorithm"
628 条 记 录,以下是581-590 订阅
排序:
Alternation and Redundancy Analysis of the Intersection Problem
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ACM TRANSACTIONS ON algorithmS 2008年 第1期4卷 4-4页
作者: Barbay, Jeremy Kenyon, Claire Univ Chile Dept Ciencias Computacin Santiago Chile Brown Univ Dept Comp Sci Providence RI 02912 USA
The intersection of sorted arrays problem has applications in search engines such as Google. Previous work has proposed and compared deterministic algorithms for this problem, in an adaptive analysis based on the enco... 详细信息
来源: 评论
An O(N log N) hierarchical random compression method for kernel matrices by sampling partial matrix entries
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JOURNAL OF COMPUTATIONAL PHYSICS 2019年 397卷 108828-108828页
作者: Chen, Duan Cai, Wei Univ North Carolina Charlotte Dept Math & Stat Charlotte NC 28223 USA Southern Methodist Univ Dept Math Dallas TX 75275 USA
In this paper, we propose an O(N log N) hierarchical random compression method (HRCM) for kernel matrix compressing, which only requires sampling O(N log N) entries of a matrix. The HRCM combines the hierarchical fram... 详细信息
来源: 评论
A hybrid stochastic interpolation and compression method for kernel matrices
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JOURNAL OF COMPUTATIONAL PHYSICS 2023年 494卷 112491页
作者: Chen, Duan Univ North Carolina Charlotte Dept Math & Stat Charlotte NC 28223 USA
Kernel functions play a pivotal role in a wide range of scientific computing and machine learning problems, but they ofter result in dense kernel matrices that impose great challenges in computational costs at large s... 详细信息
来源: 评论
GREATEST COMMON DIVISORS OF POLYNOMIALS GIVEN BY STRAIGHT-LINE PROGRAMS
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JOURNAL OF THE ACM 1988年 第1期35卷 231-264页
作者: KALTOFEN, E MATH SCI RES INST BERKELEYCA
algorithms on multivariate polynomials represented by straight-line programs are developed. First, it is shown that most algebraic algorithms can be probabilistically applied to data that are given by a straight-line ... 详细信息
来源: 评论
A CLASS OF RANDOM NUMBER GENERATORS BASED ON WEYL SEQUENCE
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Applied Mathematics(A Journal of Chinese Universities) 2005年 第4期20卷 483-490页
作者: Liang Heng Liu Qinghua Bai Fengshan Dept. of Math. Sci. Tsinghua Univ. Beijing 100084China.
The generation of good pseudo-random numbers is the base of many important fields in scientific computing, such as randomized algorithms and numerical solution of stochastic differential equations. In this paper, a cl... 详细信息
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Non-negative Tucker decomposition with graph regularization and smooth constraint for clustering
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PATTERN RECOGNITION 2024年 148卷
作者: Liu, Qilong Lu, Linzhang Chen, Zhen Guizhou Normal Univ Sch Math Sci Guiyang 550025 Peoples R China Xiamen Univ Sch Math Sci Xiamen 361005 Peoples R China
Non-negative Tucker decomposition (NTD) and its graph regularized extensions are the most popular techniques for representing high-dimensional non-negative data, which are typically found in a low-dimensional sub-mani... 详细信息
来源: 评论
Reduction of Phase Shifters in Planar Phased Arrays Using Novel Random Subarray Techniques
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APPLIED SCIENCES-BASEL 2024年 第13期14卷 5917页
作者: Valle, Juan L. Panduro, Marco A. Bocio, Carlos del Rio Brizuela, Carlos A. Covarrubias, David H. Ctr Sci Res & Higher Educ Ensenada CICESE Carr Tijuana Ensenada 3918 Ensenada 22860 Mexico Publ Univ Navarre UPNA Elect Elect & Commun Engn Pamplona 31006 Spain
Reducing the number of phase shifters by grouping antenna elements into subarrays has been extensively studied for decades. The number of phase shifters directly affects the cost, complexity, and power consumption of ... 详细信息
来源: 评论
Duality between prefetching and queued writing with parallel disks
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SIAM JOURNAL ON COMPUTING 2005年 第6期34卷 1443-1463页
作者: Hutchinson, DA Sanders, P Vitter, JS Carleton Univ Dept Syst & Comp Engn Ottawa ON K1S 5B6 Canada Univ Karlsruhe Fak Informat D-76128 Karlsruhe Germany Purdue Univ Dept Comp Sci W Lafayette IN 47907 USA Duke Univ Durham NC 27706 USA
Parallel disks promise to be a cost effective means for achieving high bandwidth in applications involving massive data sets, but algorithms for parallel disks can be difficult to devise. To combat this problem, we de... 详细信息
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A MAPREDUCE algorithm FOR MINIMUM VERTEX COVER PROBLEMS AND ITS RANDOMIZATION
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COMPUTING AND INFORMATICS 2020年 第5期39卷 952-972页
作者: Nakamura, Morikazu Kinjo, Daiki Yoshida, Takeo Univ Ryukyus Fac Engn Nishihara Okinawa 9030213 Japan
MapReduce is a programming paradigm for large-scale distributed information processing. This paper proposes a MapReduce algorithm for the minimum vertex cover problem, which is known to be NP-hard. The MapReduce algor... 详细信息
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RAPID APPLICATION OF THE SPHERICAL HARMONIC TRANSFORM VIA INTERPOLATIVE DECOMPOSITION BUTTERFLY FACTORIZATION
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SIAM JOURNAL ON SCIENTIFIC COMPUTING 2021年 第6期43卷 A3789-A3808页
作者: Bremer, James Chen, Ze Yang, Haizhao Univ Calif Davis Dept Math Davis CA 95616 USA Natl Univ Singapore Dept Math Select Reg Singapore 11907 Singapore Purdue Univ Dept Math W Lafayette IN 47907 USA
We describe an algorithm for the application of the forward and inverse spherical harmonic transforms. It is based on a new method for rapidly computing the forward and inverse associated Legendre transforms by hierar... 详细信息
来源: 评论