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检索条件"主题词=Convex Programming"
1939 条 记 录,以下是1611-1620 订阅
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Methods for optimal focusing of microstrip array antennas including mutual coupling
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IEE PROCEEDINGS-MICROWAVES ANTENNAS AND PROPAGATION 2000年 第3期147卷 199-202页
作者: Caccavale, L Isernia, T Soldovieri, F Univ Naples Federico II Dipartimento Ingn Elett & Telecomun I-80125 Naples Italy
In several array synthesis problems the Pack of a common element pattern among different antennas makes the use of classical synthesis methods based on the array factor questionable. A recently introduced approach to ... 详细信息
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Understanding the geometry of infeasible perturbations of a conic linear system
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SIAM JOURNAL ON OPTIMIZATION 2000年 第2期10卷 534-550页
作者: Peña, J Cornell Univ Ctr Appl Math Ithaca NY 14853 USA
We discuss some properties of the distance to infeasibility of a conic linear system Ax = b, x is an element of C, where C is a closed convex cone. Some interesting connections between the distance to infeasibility an... 详细信息
来源: 评论
Dual applications of proximal bundle methods, including Lagrangian relaxation of nonconvex problems
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SIAM JOURNAL ON OPTIMIZATION 2000年 第3期10卷 697-721页
作者: Feltenmark, S Kiwiel, KC Royal Inst Technol Dept Math SE-10044 Stockholm Sweden Polish Acad Sci Syst Res Inst PL-01447 Warsaw Poland
We exhibit useful properties of proximal bundle methods for finding min(S) f, where f and S are convex. We show that they asymptotically find objective subgradients and constraint multipliers involved in optimality co... 详细信息
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On primal and dual infeasibility certificates in a homogeneous model for convex optimization
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SIAM JOURNAL ON OPTIMIZATION 2000年 第2期11卷 380-388页
作者: Andersen, ED Tech Univ Delft Fac ITS SSOR TWI NL-2628 CD Delft Netherlands
Andersen and Y [Math. programming, 84 (1999), pp. 375-399] suggested a homogeneous formulation and an interior-point algorithm for solution of the monotone complementarity problem ( MCP). The advantage of the homogene... 详细信息
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Existence of optimal solutions and duality results under weak conditions
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MATHEMATICAL programming 2000年 第1期88卷 45-59页
作者: Auslender, A Ecole Polytech Lab Econometrie F-75005 Paris France
In this paper we consider an ordinary convex program with no qualification conditions (such as Slater's condition) and for which the optimal set is neither required to be compact, nor to be equal to the sum of a c... 详细信息
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A feasible BFGS interior point algorithm for solving convex minimization problems
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SIAM JOURNAL ON OPTIMIZATION 2000年 第1期11卷 199-222页
作者: Armand, P Gilbert, JC Jan-Jégou, S Fac Sci LACO F-87060 Limoges France INRIA Rocquencourt F-78153 Le Chesnay France Univ Toulouse 3 UFR MIG MIP F-31062 Toulouse France
We propose a BFGS primal-dual interior point method for minimizing a convex function on a convex set defined by equality and inequality constraints. The algorithm generates feasible iterates and consists in computing ... 详细信息
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Computation of the Set of Positive Solutions to Polynomial Matrix Equations
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IFAC Proceedings Volumes 2000年 第14期33卷 739-744页
作者: Tadeusz Kaczorek Rafał Łopatka Warsaw University of Technology Institute of Control and Industrial Electronics ul. Koszykowa 75 00 - 662 Warszawa Poland
Necessary and sufficient conditions are established for the existence of positive solutions to polynomial diophatine equations. A method for computation of the set of positive solutions to polynomial diophatine equati... 详细信息
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On the LASSO and its dual
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JOURNAL OF COMPUTATIONAL AND GRAPHICAL STATISTICS 2000年 第2期9卷 319-337页
作者: Osborne, MR Presnell, B Turlach, BA Australian Natl Univ Ctr Math & Applicat Canberra ACT 0200 Australia Univ Florida Dept Stat Gainesville FL 32611 USA Univ Western Australia Dept Math & Stat Nedlands WA 6907 Australia
Proposed by Tibshirani, the least absolute shrinkage and selection operator (LASSO) estimates a vector of regression coefficients by minimizing the residual sum of squares subject to a constraint on the l(1)-norm of t... 详细信息
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Nonsmooth Penalty Functions
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IFAC Proceedings Volumes 2000年 第16期33卷 287-291页
作者: Lyudmila N. Polyakova Dept. of Applied Mathematics St. Petersburg State University Staryi Peterhof 198904 Russia
Some Optimal Control problems can be reduce to problems of Nonlinear Progran1ming. Methods of penalty functions are widely used in Nonlinear programming. Theorems of the existence of exact penalty parameters for solvi... 详细信息
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Path-following barrier and penalty methods for linearly constrained problems
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Optimization 2000年 第3期48卷 353-374页
作者: Al-Mutairi, D. Grossmann, C. Tuan, Vu Kim Kuwait University Department of Statistics and Operations Research Kuwait University Department of Mathematics and Computer Science TU Dresden Germany
In the present paper some barrier and penalty methods (e.g., logarithmic barriers, SUMT, exponential penalties), which define a continuously differentiable primal and dual path, applied to linearly constrained convex ... 详细信息
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