نتایج جستجو برای: linear equality

تعداد نتایج: 501896  

Journal: :amirkabir international journal of modeling, identification, simulation & control 2015
montadher sami shaker

this paper presents a new observer design methodology for a time varying actuator fault estimation. a new linear matrix inequality (lmi) design algorithm is developed to tackle the limitations (e.g. equality constraint and robustness problems) of the well known so called fast adaptive fault estimation observer (fafe). the fafe is capable of estimating a wide range of time-varying actuator fault...

1989
Xuhua Liu

The author proposed concepts of Operator Fuzzy Logic and-Resolution in 1984. He and his cooperaters have obtained some theoretical results. This paper introduces-paramodulation to handle a set of clauses with the predicate of equality, and thus the equality substitution can be used in fuzzy reasoning. Then the-paramodulation method is proved to be complete with lock-semantic method. Finally, Ya...

Journal: :Comp. Opt. and Appl. 2016
Ernesto G. Birgin Luis Felipe Bueno José Mario Martínez

A new method is proposed for solving optimization problems with equality constraints and bounds on the variables. In the spirit of Sequential Quadratic Programming and Sequential Linearly-Constrained Programming, the new method approximately solves, at each iteration, an equality-constrained optimization problem. The bound constraints are handled in outer iterations by means of an Augmented Lag...

2018
M E de Looze T Huijts G W J M Stevens T Torsheim W A M Vollebergh

Cross-national differences in adolescent life satisfaction in Europe and North America are consistent, but remain poorly understood. While previous studies have predominantly focused on the explanatory role of economic factors, such as national wealth and income equality, they revealed weak associations, at most. This study examines whether societal gender equality can explain the observed cros...

Journal: :Comp. Opt. and Appl. 2001
Thomas F. Coleman Arun Verma

We propose a new framework for the application of preconditioned conjugate gradients in the solution of large-scale linear equality constrained minimization problems. This framework allows for the exploitation of structure and sparsity in the context of solving the reduced Newton system (despite the fact that the reduced system may be dense).

Journal: :Reliable Computing 2002
Chong-Kan Chiu Jimmy Ho-Man Lee

Existing interval constraint logic programming languages, such as BNR Prolog, work under the framework of interval narrowing and are deficient in solving systems of linear constraints over real numbers, which constitute an important class of problems in engineering and other applications. In this paper, we suggest to separate linear equality constraint solving from inequality and non-linear con...

2002
Mats G. Löfdahl

The Phase Diverse Speckle (PDS) problem is formulated mathematically as Multi Frame Blind Deconvolution (MFBD) together with a set of Linear Equality Constraints (LECs) on the wavefront expansion parameters. This MFBD–LEC formulation is quite general and, in addition to PDS, it allows the same code to handle a variety of different data collection schemes specified as data, the LECs, rather than...

2012
M. Gad

In this article we will consider optimization problems, the objective function of which is equal to the maximum of a finite number of continuous functions of one variable. The set of feasible solutions is described by the system of (max,min)-linear equality constraints with variables on one side. Complexity of the proposed method with monotone or unimodal functions will be studied, possible gen...

Journal: :Math. Program. 2010
Karen Aardal Laurence A. Wolsey

We study different extended formulations for the set X = {x ∈ Zn | Ax = Ax} in order to tackle the feasibility problem for the set X+ = X∩Zn+. Here the goal is not to find an improved polyhedral relaxation of conv(X+), but rather to reformulate in such a way that the new variables introduced provide good branching directions, and in certain circumstances permit one to deduce rapidly that the in...

2005
Sangho Ko Robert R. Bitmead

This paper deals with the optimal control problem for systems with state linear equality constraints. For deterministic linear systems, first we find various existence conditions for constraining state feedback control and determine all constraining feedback gains, from which the optimal feedback gain is derived by using the result of singular optimal control. For systems with stochastic proces...

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