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JOURNALS // Zhurnal Vychislitel'noi Matematiki i Matematicheskoi Fiziki // Archive

Zh. Vychisl. Mat. Mat. Fiz., 2023 Volume 63, Number 2, Pages 263–272 (Mi zvmmf11513)

This article is cited in 4 papers

Partial Differential Equations

On approximate solution of one class of singular integro-differential equations

N. S. Gabbasov

Naberezhnye Chelny Institute, Kazan Federal University, 423810, Naberezhnye Chelny, Republic of Tatarstan, Russia

Abstract: A linear integro-differential equation with a singular differential operator in the principal part is studied. For its approximate solution in the space of generalized functions, special generalized versions of the methods of moments and subdomains are proposed and substantiated. Optimality of the methods in order of accuracy is established.

Key words: integro-differential equation, approximate solution, direct method, theoretical substantiation.

UDC: 517.958

Received: 14.06.2022
Revised: 21.07.2022
Accepted: 04.08.2022

DOI: 10.31857/S0044466923020072


 English version:
Computational Mathematics and Mathematical Physics, 2023, 63:2, 231–240

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© Steklov Math. Inst. of RAS, 2026