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检索条件"主题词=convergence."
132 条 记 录,以下是1-10 订阅
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convergence.OF GRADIENT METHOD WITH MOMENTUM FOR BACK-PROPAGATION NEURAL NETWORKS
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Journal of Computational Mathematics 2008年 第4期26卷 613-623页
作者: Wei Wu Naimin Zhang Zhengxue Li Long Li Yan Liu Department of Applied Mathematics Dalian University of Technology Dalian 116024 China Mathematics and Information Science College Wenzhou University Wenzhou 325035 China College of Information Science and Engineering Dalian Institute of Light Industry Dalian 116034 China
In this work, a gradient method with momentum for BP neural networks is considered. The momentum coefficient is chosen in an adaptive manner to accelerate and stabilize the learning procedure of the network weights. C... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Strong uniform convergence.of composition sequences of probability measures on locally compact topological semigroups
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Science China Mathematics 1997年 第1期40卷 37-44页
作者: 刘锦萼 Department of Statistics Shandong Institute of Economics Jinan 250014 China
Weak convergence.of convolution products of non-identical probability measures on topological semigroups is investigated Firstly, the dependence relationship between the semigroup N of measures and suppN is studied; s... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 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: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Axisymmetric nonconforming element method and its convergence.analysis
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Science China Mathematics 1997年 第4期40卷 422-431页
作者: 陈万吉 高岩 Department of Engineering Mechanics Dalian University of Technology Dalian 116023 China
By virtue of the weighted Sobolev space theory, three convergence.tests of the axisymmetric non-conforming element method are established. They consist of the generalized patch test, the F-E-M test and a test which co... 详细信息
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convergence.of algorithms used for principal component analysis
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Science China(Technological Sciences) 1997年 第6期40卷 597-604页
作者: 张俊华 陈翰馥 Institute of Applied Mathematics Chinese Academy of Sciences Beijing 100080 China Institute of Systems Science Chinese Academy of Sciences Beijing 100080 China
The convergence.of algorithms used for principal component analysis is analyzed. The algorithms are proved to converge to eigenvectors and eigenvalues of a matrix A which is the expectation of observed random samples.... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Strong convergence.results for hemivariational inequalities
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Science China Mathematics 2006年 第7期49卷 893-901页
作者: LIU Zhenhai ZOU Jiezhong Department of Mathematics Changsha University of Science and Technology Changsha 410076 China School of Mathematical Science and Computing Technology Central South University Changsha 410075 China School of Mathematical Science and Computing Technology Central South University Changsha 410075 China
The purpose of this paper is to study a regularization method of solutions of ill-posed problems involving hemivariational inequalities in Banach spaces. Under the assumption that the hemivariational inequality is sol... 详细信息
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A COMPLETE SOLUTION FOR WEAK convergence.OF HEAVILY TRIMMED SUMS
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Science China Mathematics 1992年 第6期35卷 641-656页
作者: 程士宏 Peking University Beijing 100871 PRC
Let {X_n, n≥1} be a sequence of iidrvs with a common df F and for every n, let X_(n,1)≤…≤X_(n,n) denote the order statistics of X_1,…, X_n. Consider the sums S_n~* =sum from k=k_n+1 to l_n(X_n,k), n≥1, where k_n... 详细信息
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Analysis of the diversity of population and convergence.of genetic algorithms based on Negentropy
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Journal of Systems Engineering and Electronics 2005年 第1期16卷 215-219页
作者: ZhangLianying WangAnmin ManagementSchool TianjinUniversityTianjin300072P.R.China
With its wide use in different fields, the problem of the convergence.of simple genetic algorithms (GAs) has been concerned. In the past, the research on the convergence.of GAs was based on Holland's model theorem. Th... 详细信息
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Stability and convergence.of the Canonical Euler Splitting Method for Nonlinear Composite Stiff Functional Differential-Algebraic Equations
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Advances in Applied Mathematics and Mechanics 2022年 第6期14卷 1276-1301页
作者: Hongliang Liu Yameng Zhang Haodong Li Shoufu Li School of Mathematics and Computational Science&Hunan Key Laboratory for Computation and Simulation in Science and Engineering Xiangtan UniversityXiangtanHunan 411105China
A novel canonical Euler splitting method is proposed for nonlinear compositestiff functional differential-algebraic equations, the stability and convergence.of themethod is evidenced, theoretical results are further c... 详细信息
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convergence.in the law of logarithm for NA sequences
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Chinese Science Bulletin 1999年 第15期44卷 1356-1360页
作者: Hanying Liang Chun Su Univ Sci & Technol China Dept Stat & Finance Hefei 230026 Peoples R China
Some results in the law of logarithm for NA sequences are obtained, which are similar to the result of id random variables; as a corollary, a sufficient result for the bounbed law of logarithm for NA arrays is given. ... 详细信息
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