A TWO-DIMENSIONAL TRUST-REGION METHOD FOR LARGE SCALE BOUND-CONSTRAINED NONLINEAR SYSTEMS

被引：2

作者：

Bellavia, S. ^{[1
]}

Macconi, M. ^{[1
]}

Morini, B. ^{[1
]}

机构：

[1] Univ Florence, Dipartimento Energet S Stecco, I-50134 Florence, Italy

来源：

APPLIED AND INDUSTRIAL MATHEMATICS IN ITALY II | 2007年 / 75卷

关键词：

Inexact Newton methods; forcing terms; Krylov subspace methods; subspace trust-region problems; bound constraints;

D O I：

10.1142/9789812709394_0013

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A class of trust-region methods for solving large scale bound-constrained nonlinear systems has been proposed in a recent paper by the authors. These methods combine a Newton-Krylov method with a subspace trust-region strategy and with a strategy for handling the bounds. In this paper, an algorithm from that class is described and its numerical performance is illustrated by numerical experiments. The results of a comparison with an efficient approach in literature are shown too.

引用

页码：137 / 148

页数：12

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