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2003•Acta Scientiarum Naturalium Universitatis SunyatseniRequires access

A TRUST—REGION ALGORITHM FOR NONLINEAR INEQUALITY CONSTRAINED OPTIMIZATION

XiaojiaoTong, ShuziZhou

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Abstract

This paper presents a new trust-region algorithm for n-dimension nonlinear optimiza-tion subject to m nonlinear inequality constraints.Equivalent KKT conditions are derived,which is the basis for constructing the new algorithm.Global convergence of the algorithun to a first-order KKT point is eatablished under mild conditions on the trial steps.local quadratic convergence theorem is provcd for nondegenerate minimizer point.Numerical expcriment is prcsented to show the effectiveness of our approach.

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What this paper is about

This paper presents a new trust-region algorithm for n-dimension nonlinear optimiza-tion subject to m nonlinear inequality constraints.Equivalent KKT conditions are derived,which is the basis for constructing the new algorithm.Global convergence of the algorithun to a first-order KKT point is eatablished under mild conditions on the trial steps.local quadratic convergence theorem is provcd for nondegenerate minimizer point.Numerical expcriment is prcsented to show the effectiveness of our approach.

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Available abstract

This paper presents a new trust-region algorithm for n-dimension nonlinear optimiza-tion subject to m nonlinear inequality constraints.Equivalent KKT conditions are derived,which is the basis for constructing the new algorithm.Global convergence of the algorithun to a first-order KKT point is eatablished under mild conditions on the trial steps.local quadratic convergence theorem is provcd for nondegenerate minimizer point.Numerical expcriment is prcsented to show the effectiveness of our approach.

Key concepts: Karush–Kuhn–Tucker conditions, Trust region, Mathematics, Convergence (economics), Nonlinear system, Dimension (graph theory), Quadratic equation, Mathematical optimization

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