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Type: Artigo
Title: On optimization strategies for parameter estimation in models governed by partial differential equations
Author: Carvalho, Esdras P.
Martínez, Julian
Martínez, J. M.
Pisnitchenko, Feodor
Abstract: Extraction problems governed by systems of partial differential equations appear in several branches of Engineering. Parameter estimation involves discretization and modeling in a finite dimensional setting. A model that arises in the supercritical extraction area is analyzed in this paper. Numerical difficulties of the nonlinear programming formulation of the estimation process are discussed and a satisfactory procedure based on unconstrained derivative-free optimization is suggested
Subject: Estimativa de parâmetro
Country: Países Baixos
Editor: Elsevier
Rights: Fechado
Identifier DOI: 10.1016/j.matcom.2010.07.020
Date Issue: 2015
Appears in Collections:IMECC - Artigos e Outros Documentos
FEA - Artigos e Outros Documentos

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