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Num. Meth. Prog., 2009, Volume 10, Issue 1, Pages 75–82 (Mi vmp357)  

Вычислительные методы и приложения

A quasi-Newton two-step method for the residual function minimization

P. A. Mazurov, A. V. Elesin, A. Sh. Kadyrova

Research Institute of Mechanics and Machinery of Kazan Scientific Center of the Russian Academy of Sciences

Abstract: A quasi-Newton two-step method is proposed for the minimization of a residual function with consideration of the raviness of the function being minimized. At each iteration of this method, the parameters are displaced in two steps. This allows one to get around the bends of the ravine bottom and to accelerate the minimization process. The method is used to solve numerically a model problem of hydraulic conductivity identification for a three-dimensional anisotropic confined aquifer and to minimize several test functions. The efficiency of the two-step method is shown in comparison with one of the versions of the Levenberg-Marquardt method.

Keywords: minimization of residual function; inverse problem.

Full text: PDF file (292 kB)
UDC: 519.6

Citation: P. A. Mazurov, A. V. Elesin, A. Sh. Kadyrova, “A quasi-Newton two-step method for the residual function minimization”, Num. Meth. Prog., 10:1 (2009), 75–82

Citation in format AMSBIB
\Bibitem{MazEleKad09}
\by P.~A.~Mazurov, A.~V.~Elesin, A.~Sh.~Kadyrova
\paper A quasi-Newton two-step method for the residual function minimization
\jour Num. Meth. Prog.
\yr 2009
\vol 10
\issue 1
\pages 75--82
\mathnet{http://mi.mathnet.ru/vmp357}


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