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检索条件"机构=State Key Laboratory of Scientific&Engineering Computing"
418 条 记 录,以下是41-50 订阅
排序:
A NEW FAMILY OF TRUST REGION ALGORITHMS FOR UNCONSTRAINED OPTIMIZATION
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Journal of Computational Mathematics 2003年 第2期21卷 221-228页
作者: Yuhong Dai Dachuan Xu(state key laboratory of scientific/engineering computing, Institute of Computational Mathematicsand scientific/engineering computing, Academy of Mathematics and System Sciences, ChineseAcademy of Sciences, P.O. Box 2719, Beijing 100080, China) Institute of Computational Mathematics and Scientific/Engineering Computing Academy of Mathematics and System Sciences Chinese Academy of Sciences State Key Laboratory of Scientific/Engineering Computing 北京 100080
Trust region (TR) algorithms are a class of recently developed algorithms for nonlinear optimization. A new family of TR algorithms for unconstrained optimization, which is the extension of the usual TR method, is pre... 详细信息
来源: 评论
LINEAR SYSTEMS ASSOCIATED WITH NUMERICAL METHODS FOR CONSTRAINED OPITMIZATION
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Journal of Computational Mathematics 2003年 第1期21卷 71-84页
作者: Y. Yuan(state key laboratory of scientific and engineering computing, Institute of Computational Mathematics and scientific/engineering computing, Chinese Academy of Sciences, P. O. Box 2719,Beijing 100080, China.) Institute of Computational Mathematics and Scientific/Engineering Computing Chinese Academy of Sciences P. 0. Box 2719 State Key Laboratory of Scientific and Engineering Computing
Linear systems associated with numerical methods for constrained optimization are discussed in this paper. It is shown that the corresponding subproblems arise in most well-known methods, no matter line search methods... 详细信息
来源: 评论
Convergence properties of Beale-Powell restart algorithm
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Science China Mathematics 1998年 第11期41卷 1142-1150页
作者: 戴彧虹 袁亚湘 1. State Key Laboratory of Scientific and Engineering Computing ICMSEC Chinese Academy of Sciences 100080 Beijing China
The Beale\|Powell restart algorithm is highly useful for large\|scale unconstrained optimization. An example is taken to show that the algorithm may fail to converge. The global convergence of a slightly modified algo... 详细信息
来源: 评论
A MULTIGRID SOLVER FOR THE STEADY COMPRESSIBLE NAVIER-STOKES EQUATIONS ON CURVILINEAR COORDINATE SYSTEMS
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JOURNAL OF COMPUTATIONAL PHYSICS 1994年 第1期113卷 26-34页
作者: ZHANG, LB State Key Laboratory of Scientific and Engineering Computing Computing Center Chinese Academy of Sciences Beijing 100080 Peoples' Republic of China
A multigrid solver for the steady incompressible Navier-Stokes equations on a curvilinear grid is constructed. The Cartesian velocity components are used in the discretization of the momentum equations. A staggered, g...
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Convergence of DFP algorithm
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Science China Mathematics 1995年 第11期38卷 1281-1294页
作者: 袁亚湘 State Key Laboratory of Scientific and Engineering Computing ICMSEC Chinese Academy of Sciences Beijing 100080 China
The DFP method is one of the most famous numerical algorithms for unconstrained optimization. For uniformly convex objective functions convergence properties of the DFP method are studied. Several conditions that can ... 详细信息
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EXPLICIT SYMPLECTIC SCHEMES TO SOLVE VORTEX SYSTEMS
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COMPUTERS & MATHEMATICS WITH APPLICATIONS 1993年 第5期26卷 51-56页
作者: ZHANG, MQ QIN, MZ State Key Laboratory of Scientific and Engineering Computing Computing Center Academia Sinica Beijing 100080 P.R.China
Here we propose a family of explicit symplectic schemes for vortex systems, which are corresponding to the symmetry of these systems.
来源: 评论
POISSON SCHEMES FOR HAMILTONIAN-SYSTEMS ON POISSON MANIFOLDS
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COMPUTERS & MATHEMATICS WITH APPLICATIONS 1994年 第12期27卷 7-16页
作者: ZHU, WJ QIN, MZ State Key Laboratory of Scientific and Engineering Computing Computing Center Academia Sinica Beijing 100080 People's Republic of China
In this paper, we construct Poisson difference schemes of any order accuracy based on Pade approximation for linear Hamiltonian systems on Poisson manifolds with constant coefficients. For nonlinear Hamiltonian system... 详细信息
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Sensing With Communication Signals: From Information Theory to Signal Processing
arXiv
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arXiv 2025年
作者: Liu, Fan Liu, Ya-Feng Cui, Yuanhao Masouros, Christos Xu, Jie Han, Tony Xiao Buzzi, Stefano Eldar, Yonina C. Jin, Shi National Mobile Communications Research Laboratory School of Information Science and Engineering Southeast University Nanjing210096 China State Key Laboratory of Scientific and Engineering Computing Institute of Computational Mathematicsand Scientific/Engineering Computing Academy of Mathematics and Systems Science Chinese Academy of Sciences Beijing100190 China Department of Communication Engineering Beijing University of Posts and Telecommunications Beijing100876 China Department of Electronic and Electrical Engineering University College London LondonWC1E 7JE United Kingdom Guangdong518172 China Huawei Technologies Co. Ltd China Department of Electrical and Information Engineering University of Cassino and Southern Lazio CassinoI-03043 Italy Department of Electronics Information and Bioengineering Politecnico di Milano MilanoI-20133 Italy ParmaI-43124 Italy Faculty of Mathematics and Computer Science Weizmann Institute of Science Rehovot Israel
The Integrated Sensing and Communications (ISAC) paradigm is anticipated to be a cornerstone of the upcoming 6G networks. In order to optimize the use of wireless resources, 6G ISAC systems need to harness the communi... 详细信息
来源: 评论
CONSTRUCTING HIGHER-ORDER SCHEMES BY FORMAL POWER-SERIES
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COMPUTERS & MATHEMATICS WITH APPLICATIONS 1993年 第12期25卷 31-38页
作者: ZHU, WJ QIN, MZ State Key Laboratory of Scientific and Engineering Computing Computing Center Academia Sinica Beijing 100080 People's Republic of China
We use formal power series to expand the method used by Yoshida in constructing explicit canonical higher order schemes for separable Hamiltonian systems and construct general higher order schemes for general dynamica...
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On the error bounds of nonconforming finite elements
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Science China Mathematics 2010年 第11期53卷 2917-2926页
作者: MAO ShiPeng SHI ZhongCi The State Key Laboratory of Scientific and Engineering Computing Institute of Computational Mathematics and Scientific/Engineering ComputingAcademy of Mathematics and Systems ScienceChinese Academy of SciencesBeijing 100190China
We prove that the error estimates of a large class of nonconforming finite elements are dominated by their approximation errors, which means that the well-known Cea’s lemma is still valid for these nonconforming fini... 详细信息
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