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On an efficient modification of the Chebyshev method
Author(s) -
Ezquerro José Antonio,
HernándezVerón Miguel Ángel,
Alberto Magreñán Ángel
Publication year - 2021
Publication title -
computational and mathematical methods
Language(s) - English
Resource type - Journals
ISSN - 2577-7408
DOI - 10.1002/cmm4.1187
Subject(s) - chebyshev filter , convergence (economics) , mathematics , operator (biology) , chandrasekhar limit , chebyshev equation , derivative (finance) , chebyshev nodes , chebyshev iteration , chebyshev pseudospectral method , mathematical analysis , computer science , orthogonal polynomials , classical orthogonal polynomials , biochemistry , chemistry , stars , repressor , transcription factor , financial economics , economics , computer vision , gene , white dwarf , economic growth
An efficient modification of the Chebyshev method is constructed from approximating the second derivative of the operator involved by combinations of the operator in different points and it is used to locate, separate, and approximate the solutions of a Chandrasekhar integral equation from analysing its global convergence.

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