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|Type:||Artigo de periódico|
|Title:||A safeguard approach to detect stagnation of GMRES(m) with applications in Newton-Krylov methods|
|Abstract:||Restarting GMRES, a linear solver frequently used in numerical schemes, is known to suffer from stagnation. In this paper, a simple strategy is proposed to detect and avoid stagnation, without modifying the standard GMRES code. Numerical tests with the proposed modified GMRES(m) procedure for solving linear systems and also as part of an inexact Newton procedure, demonstrate the efficiency of this strategy.|
inexact Newton method
|Editor:||Soc Brasileira Matematica Aplicada & Computacional|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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