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517.53+517.9 (4) |
Анализ (302) |
Дифференциальные, интегральные и другие функциональные уравнения. Конечные разности. Вариационное исчисление. Функциональный анализ (243) |
SM ISO690:2012 CAPCELEA, Maria, CAPCELEA, Titu. Laurent-Pad´e approximation for locating singularities of meromorphic functions with valuesgiven on simple closed contours. In: Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica, 2020, nr. 2(93), pp. 76-87. ISSN 1024-7696. |
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Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica | |||||||
Numărul 2(93) / 2020 / ISSN 1024-7696 /ISSNe 2587-4322 | |||||||
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CZU: 517.53+517.9 | |||||||
MSC 2010: 65E05, 41A21. | |||||||
Pag. 76-87 | |||||||
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Rezumat | |||||||
In the present paper the Pad´e approximation with Laurent polynomials is examined for a meromorphic function on a finite domain of the complex plane. Values of the function are given at the points of a simple closed contour from this domain. Based on this approximation, an efficient numerical algorithm for locating singular points of the function is proposed. |
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Cuvinte-cheie Pad´e approximation, Meromorphic function, simple closed contour, localization of singular points |
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