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|Referiert=True
 
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|Title=On the inexactness level of robust Levenberg-Marquardt methods
 
|Title=On the inexactness level of robust Levenberg-Marquardt methods
|Year=2009
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|Year=2010
 
|Journal=Optimization
 
|Journal=Optimization
|Number=in press
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|Volume=59
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|Number=2
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|Pages=273 - 287
 
|Publisher=Taylor & Francis
 
|Publisher=Taylor & Francis
 
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|Abstract=Recently, the Levenberg-Marquardt (LM) method has been used for solving systems of nonlinear equations with nonisolated solutions. Under certain conditions it converges Q-quadratically to a solution. The same rate has been obtained for inexact versions of the LM method. In this article the LM method will be called robust, if the magnitude of the regularization parameter occurring in its sub-problems is as large as possible without decreasing the convergence rate. For robust LM methods the article shows that the level of inexactness in the sub-problems can be increased significantly. As an application, the local convergence of a projected robust LM method is analysed.
 
|Abstract=Recently, the Levenberg-Marquardt (LM) method has been used for solving systems of nonlinear equations with nonisolated solutions. Under certain conditions it converges Q-quadratically to a solution. The same rate has been obtained for inexact versions of the LM method. In this article the LM method will be called robust, if the magnitude of the regularization parameter occurring in its sub-problems is as large as possible without decreasing the convergence rate. For robust LM methods the article shows that the level of inexactness in the sub-problems can be increased significantly. As an application, the local convergence of a projected robust LM method is analysed.
 
|Forschungsgruppe=Effiziente Algorithmen
 
|Forschungsgruppe=Effiziente Algorithmen
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}}
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{{Forschungsgebiet Auswahl
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|Forschungsgebiet=Multikriterielle Optimierung
 
}}
 
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Version vom 2. März 2010, 22:06 Uhr


On the inexactness level of robust Levenberg-Marquardt methods


On the inexactness level of robust Levenberg-Marquardt methods



Veröffentlicht: 2010

Journal: Optimization
Nummer: 2
Seiten: 273 - 287
Verlag: Taylor & Francis
Volume: 59


Referierte Veröffentlichung

BibTeX




Kurzfassung
Recently, the Levenberg-Marquardt (LM) method has been used for solving systems of nonlinear equations with nonisolated solutions. Under certain conditions it converges Q-quadratically to a solution. The same rate has been obtained for inexact versions of the LM method. In this article the LM method will be called robust, if the magnitude of the regularization parameter occurring in its sub-problems is as large as possible without decreasing the convergence rate. For robust LM methods the article shows that the level of inexactness in the sub-problems can be increased significantly. As an application, the local convergence of a projected robust LM method is analysed.



Forschungsgruppe

Effiziente Algorithmen


Forschungsgebiet

Multikriterielle Optimierung