Boundary value problem;
spectral methods;
Legendre polynomials;
harmonic numbers;
ORDER DIFFERENTIAL-EQUATIONS;
APPROXIMATE SOLUTIONS;
OPERATIONAL MATRIX;
GALERKIN METHODS;
COLLOCATION;
ALGORITHMS;
3RD;
D O I:
10.1142/S0219876217500839
中图分类号:
T [工业技术];
学科分类号:
08 ;
摘要:
The main aim of this paper is to present and analyze a numerical algorithm for the solution of eighth-order boundary value problems. The proposed solutions are spectral and they depend on a new operational matrix of derivatives of certain shifted Legendre polynomial basis, along with the application of the collocation method. The nonzero elements of the operational matrix are expressed in terms of the well-known harmonic numbers. Numerical examples provide favorable comparisons with other existing methods and ascertain the efficiency and applicability of the proposed algorithm.
机构:
Key Laboratory of Computing and Stochastic Mathematics (Ministry of Education), School of Mathematics and Statistics, Hunan Normal University, Changsha, Hunan,410081, ChinaKey Laboratory of Computing and Stochastic Mathematics (Ministry of Education), School of Mathematics and Statistics, Hunan Normal University, Changsha, Hunan,410081, China
Qiu, Wenlin
Xu, Da
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机构:
Key Laboratory of Computing and Stochastic Mathematics (Ministry of Education), School of Mathematics and Statistics, Hunan Normal University, Changsha, Hunan,410081, ChinaKey Laboratory of Computing and Stochastic Mathematics (Ministry of Education), School of Mathematics and Statistics, Hunan Normal University, Changsha, Hunan,410081, China
Xu, Da
Zhou, Jun
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机构:
Institute of Mathematics and Physics, College of Science, Central South University of Forestry and Technology, Changsha, 410004, Hunan, ChinaKey Laboratory of Computing and Stochastic Mathematics (Ministry of Education), School of Mathematics and Statistics, Hunan Normal University, Changsha, Hunan,410081, China
Zhou, Jun
Guo, Jing
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机构:
Key Laboratory of Computing and Stochastic Mathematics (Ministry of Education), School of Mathematics and Statistics, Hunan Normal University, Changsha, Hunan,410081, ChinaKey Laboratory of Computing and Stochastic Mathematics (Ministry of Education), School of Mathematics and Statistics, Hunan Normal University, Changsha, Hunan,410081, China
机构:
Department of Applied Mathematics, School of Mathematical Sciences, Ferdowsi University of Mashhad, MashhadDepartment of Applied Mathematics, School of Mathematical Sciences, Ferdowsi University of Mashhad, Mashhad
Soleymani F.
Karimi Vanani S.
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机构:
Department of Mathematics, Islamic Azad University, Zahedan Branch, ZahedanDepartment of Applied Mathematics, School of Mathematical Sciences, Ferdowsi University of Mashhad, Mashhad
Karimi Vanani S.
Siyyam H.I.
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机构:
Department of Mathematics, Faculty of Science, Taibah University, Almadinah AlmunawwarahDepartment of Applied Mathematics, School of Mathematical Sciences, Ferdowsi University of Mashhad, Mashhad
Siyyam H.I.
Al-Subaihi I.A.
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机构:
Department of Mathematics, Faculty of Science, Taibah University, Almadinah AlmunawwarahDepartment of Applied Mathematics, School of Mathematical Sciences, Ferdowsi University of Mashhad, Mashhad