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|Title:||On optimization strategies for parameter estimation in models governed by partial differential equations|
|Author:||Carvalho, Esdras P.|
Martínez, J. M.
|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|
|Appears in Collections:||IMECC - Artigos e Outros Documentos|
FEA - Artigos e Outros Documentos
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