2007International Journal of Contemporary Mathematical SciencesOpen access

Single step two stage method for second order singular initial value problems

H. R. Khatami, Jalil Rashidinia

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Abstract

The classical Runge-Kutta-Nystrom methods cannot be applied di-rectly to solve second order singular initial value problem, due to the singularity at x = 0, These methods require some special procedure to obtain the solution at the first step and are thus not self starting. We have obtained the self starting explicit two stage Runge-Kutta-Nystrom method.Presented method is exact for y = 1x besides having the poly-nomial order. The numerical result for two problems obtained and com-pared with the classical Runge- Kutta-Nystrom method. The numerical results demonstrate their superiority over the classical method.

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The classical Runge-Kutta-Nystrom methods cannot be applied di-rectly to solve second order singular initial value problem, due to the singularity at x = 0, These methods require some special procedure to obtain the solution at the first step and are thus not self starting. We have obtained the self starting explicit two stage Runge-Kutta-Nystrom method.Presented method is exact for y = 1x besides having the poly-nomial order. The numerical result for two problems obtained and com-pared with the classical Runge- Kutta-Nystrom method. The numerical results demonstrate their superiority over the classical method.

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Available abstract

The classical Runge-Kutta-Nystrom methods cannot be applied di-rectly to solve second order singular initial value problem, due to the singularity at x = 0, These methods require some special procedure to obtain the solution at the first step and are thus not self starting. We have obtained the self starting explicit two stage Runge-Kutta-Nystrom method.Presented method is exact for y = 1x besides having the poly-nomial order. The numerical result for two problems obtained and com-pared with the classical Runge- Kutta-Nystrom method. The numerical results demonstrate their superiority over the classical method.

Key concepts: Mathematics, Value (mathematics), Order (exchange), Stage (stratigraphy), Singular value, Applied mathematics, Statistics, Physics

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