Numerical Solution Methods for a Nonlinear Operator Equation Arising in an Inverse Coefficient Problem

We consider the inverse problem of determining two unknown coefficients in a linear system of partial differential equations using additional information about one of the solution components. The problem is reduced to a nonlinear operator equation for one of the unknown coefficients. The successive...

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Vydané v:Differential equations Ročník 57; číslo 7; s. 868 - 875
Hlavní autori: Gavrilov, S. V., Denisov, A. M.
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: Moscow Pleiades Publishing 01.07.2021
Springer
Predmet:
Difference and Functional Equations
Differential equations
Mathematics
Mathematics and Statistics
Methods
Numerical Methods
Ordinary Differential Equations
Partial Differential Equations
ISSN:0012-2661, 1608-3083
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Popis
Shrnutí:We consider the inverse problem of determining two unknown coefficients in a linear system of partial differential equations using additional information about one of the solution components. The problem is reduced to a nonlinear operator equation for one of the unknown coefficients. The successive approximation method and the Newton method are used to solve this operator equation numerically. Results of calculations illustrating the convergence of numerical methods for solving the inverse problem are presented.
ISSN:0012-2661
1608-3083
DOI:10.1134/S0012266121070041