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JOURNALS // Izvestiya of Saratov University. Mathematics. Mechanics. Informatics // Archive

Izv. Saratov Univ. Math. Mech. Inform., 2015 Volume 15, Issue 3, Pages 309–314 (Mi isu597)

This article is cited in 2 papers

Mathematics

The solution of the problem of determining the density of heat sources in a rod

A. A. Khromov, G. V. Khromova

Saratov State University, 83, Astrakhanskaya st., 410012, Saratov, Russia

Abstract: We give a solution of a problem of determining the density of heat sources in the bav, which is set to a fixed temperature, if the temperature is given approximately. Mathematically it is the problem of finding uniform approximations to the right-hand side of the ordinary differential equation when uniform approximations to the solution and values of error are known. First using the so-called discontinuous Steklov operator we construct families of operators which give stable uniform approximations to a function and its first and second derivatives, and then with their help we propose the method of solving the formulated problem. For a certain class of solutions error estimations are given.

Key words: inverse problem, Steklov operator, regularization.

UDC: 519.642.8

DOI: 10.18500/1816-9791-2015-15-3-309-314



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