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Type: Artigo de periódico
Title: Discrete Newton's method with local variations for solving large-scale nonlinear systems
Author: Diniz-Ehrhardt, MA
Gomes-Ruggiero, MA
Lopes, VLR
Martinez, JM
Abstract: A globally convergent discrete Newton method is proposed for solving large-scale nonlinear systems of equations. Advantage is taken from discretization steps so that the residual norm can be reduced while the Jacobian is approximated, besides the reduction at Newtonian iterations. The Curtis-Powell-Reid (CPR) scheme for discretization is used for dealing with sparse Jacobians. Global convergence is proved and numerical experiments are presented.
Subject: nonlinear systems
discrete Newton's method
local variations method
Country: Inglaterra
Editor: Taylor & Francis Ltd
Citation: Optimization. Taylor & Francis Ltd, v. 52, n. 41763, n. 417, n. 440, 2003.
Rights: fechado
Identifier DOI: 10.1080/02331930310001611538
Date Issue: 2003
Appears in Collections:Unicamp - Artigos e Outros Documentos

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