The extrapolation of Numerov's scheme for nonlinear two-point boundary value problems

• Autores: Yuan-Ming Wang
• Localización: Applied numerical mathematics, ISSN-e 0168-9274, Vol. 57, Nº. 3, 2007, págs. 253-269
• Idioma: inglés
• DOI: 10.1016/j.apnum.2006.02.009
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• Resumen

  • This paper is concerned with the extrapolation algorithm of Numerov's scheme for semilinear and strongly nonlinear two-point boundary value problems. The asymptotic error expansion of the solution of Numerov's scheme is obtained. Based on the asymptotic error expansion, Richardson's extrapolation is constructed, and so the accuracy of the numerical solution is greatly increased. Numerical results are presented to demonstrate the efficiency of the extrapolation algorithm