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Назив: Nyström methods for approximating the solutions of an integral equation arising from a problem in mathematical biology
Аутори: De Bonis, Maria Carmela
Stanić, Marija
Tomović, Tatjana
Датум издавања: 2022
Сажетак: The paper deals with an integral equation arising from a problem in mathematical biology. We propose approximating its solution by Nyström methods based on Gaussian rules and on product integration rules according to the smoothness of the kernel function. In particular, when the latter is weakly singular we propose two Nyström methods constructed by means of different product formulas. The first one is based on the Lagrange interpolation while the second one is based on discrete spline quasi-interpolants. The stability and the convergence of the proposed methods are proved in uniform spaces of continuous functions. Finally, some numerical tests showing the effectiveness of the methods and the sharpness of the obtained error estimates are given.
URI: https://scidar.kg.ac.rs/handle/123456789/13740
Тип: article
DOI: 10.1016/j.apnum.2021.09.004
ISSN: 0168-9274
SCOPUS: 2-s2.0-85114763070
Налази се у колекцијама:Faculty of Science, Kragujevac

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