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检索条件"主题词=Semidefinite Programming"
2472 条 记 录,以下是2391-2400 订阅
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Vector ARMA estimation: A reliable subspace approach
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IEEE TRANSACTIONS ON SIGNAL PROCESSING 2000年 第7期48卷 2092-2104页
作者: Mari, J Stoica, P McKelvey, T Royal Inst Technol Stockholm Sweden Uppsala Univ Syst & Control Grp Uppsala Sweden Linkoping Univ Div Automat Control Linkoping Sweden
A parameter estimation method for finite dimensional multivariate linear stochastic systems, which is guaranteed to produce valid models approximating the true underlying system in a computational time of a polynomial... 详细信息
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MA estimation in polynomial time
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IEEE TRANSACTIONS ON SIGNAL PROCESSING 2000年 第7期48卷 1999-2012页
作者: Stoica, P McKelvey, T Mari, J Uppsala Univ Dept Syst & Control Uppsala Sweden Linkoping Univ Dept Elect Engn Div Automat Control S-58183 Linkoping Sweden Royal Inst Technol Stockholm Sweden
The parameter estimation of moving-average (MA) signals from second-order statistics was deemed for a long time to be a difficult nonlinear problem for which no computationally convenient and reliable solution was pos... 详细信息
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Computation of the distance to semi-algebraic sets
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ESAIM-CONTROL OPTIMISATION AND CALCULUS OF VARIATIONS 2000年 第1期5卷 139-156页
作者: Ferrier, C Ctr Natl Etud Spatiales Dept Math Appl & Anal Numer F-31401 Toulouse 4 France
This paper is devoted to the computation of distance to set, called S, defined by polynomial equations. First we consider the case of quadratic systems. Then, application of results stated for quadratic systems to the... 详细信息
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Piecewise linear quadratic optimal control
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IEEE TRANSACTIONS ON AUTOMATIC CONTROL 2000年 第4期45卷 629-637页
作者: Rantzer, A Johansson, M Lund Inst Technol Dept Automat Control S-22100 Lund Sweden
The use of piecewise quadratic cost functions is extended from stability analysis of piecewise linear systems to performance analysis and optimal control, Lower bounds on the optimal control cost are obtained by semid... 详细信息
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Linear matrix inequalities, Riccati equations, and indefinite stochastic linear quadratic controls
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IEEE TRANSACTIONS ON AUTOMATIC CONTROL 2000年 第6期45卷 1131-1143页
作者: Rami, MA Zhou, XY Chinese Univ Hong Kong Dept Syst Engn & Engn Management Shatin Hong Kong Peoples R China
This paper is concerned with an optimal stochastic Linear-quadratic (LQ) control problem in infinite time horizon, where the diffusion term in dynamics depends on both the state and the control variables. In contrast ... 详细信息
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Solving large-scale sparse semidefinite programs for combinatorial optimization
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SIAM JOURNAL ON OPTIMIZATION 2000年 第2期10卷 443-461页
作者: Benson, SJ Ye, YY Zhang, X Univ Iowa Dept Management Sci Iowa City IA 52242 USA Huazhong Univ Sci & Technol Sch Mech Engn Wuhan 430074 Hubei Peoples R China Univ Iowa Computat Optimizat Lab Iowa City IA 52242 USA
We present a dual-scaling interior-point algorithm and show how it exploits the structure and sparsity of some large-scale problems. We solve the positive semidefinite relaxation of combinatorial and quadratic optimiz... 详细信息
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Cascading - an approach to robust material optimization
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COMPUTERS & STRUCTURES 2000年 第1-3期76卷 431-442页
作者: Kocvara, M Zowe, J Nemirovski, A Univ Erlangen Nurnberg Inst Appl Math D-91058 Erlangen Germany Technion Israel Inst Technol Fac Ind Engn & Management IL-32000 Haifa Israel
This paper deals with a central question of structural optimization: design of the stiffest structure occupying some fixed domain which is capable of carrying a given set of external loads. The design variables are th... 详细信息
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A second-order bundle method to minimize the maximum eigenvalue function
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MATHEMATICAL programming 2000年 第1期89卷 1-33页
作者: Oustry, F Inria F-38330 Montbonnot St Martin France
In this paper we present a nonsmooth algorithm to minimize the maximum eigenvalue of matrices belonging to an affine subspace of n x n symmetric matrices. We show how a simple bundle method, the approximate eigenvalue... 详细信息
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Fixing variables in semidefinite relaxations
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SIAM JOURNAL ON MATRIX ANALYSIS AND APPLICATIONS 2000年 第3期21卷 952-969页
作者: Helmberg, C Konrad Zuse Zentrum Informat Tech Berlin D-14195 Berlin Germany
The standard technique of reduced cost fixing from linear programming is not trivially extensible to semidefinite relaxations because the corresponding Lagrange multipliers are usually not available. We propose a gene... 详细信息
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The asymptotic bias of minimum trace factor analysis, with applications to the greatest lower bound to reliability
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PSYCHOMETRIKA 2000年 第3期65卷 413-425页
作者: Shapiro, A ten Berge, JMF Georgia Inst Technol Sch Ind & Syst Engn Atlanta GA 30332 USA Univ Groningen Heymans Inst Psychol Res NL-9700 AB Groningen Netherlands
In theory, the greatest lower bound (g.l.b.) to reliability is the best possible lower bound to the reliability based on single test administration. Yet the practical use of the g.l.b. has been severely hindered by sa... 详细信息
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