Abstract
We report a new three-point compact sixth-order approximation for the solution of nonlinear two-point boundary value problems \( {-}w^{\prime\prime} + f\left( {t,w} \right) = 0 \), subject to natural boundary conditions prescribed at two end points. We also discuss the application of single-step alternating group explicit (SAGE) iteration method to the nonlinear difference equation as a computational tool. The error analysis of the SAGE iteration method is discussed briefly. We have compared the results obtained by using the proposed SAGE iteration method with the results obtained by corresponding two-step alternating group explicit iteration method to demonstrate experimentally the superiority of the proposed method.
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Mohanty, P.R. A new sixth-order approximation for nonlinear two-point boundary value problems: application of single-step alternating group explicit iteration method to engineering problems. Engineering with Computers 37, 3541–3550 (2021). https://doi.org/10.1007/s00366-020-01016-9
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DOI: https://doi.org/10.1007/s00366-020-01016-9
Keywords
- SAGE iteration method
- Sixth-order approximation
- Forced oscillations
- Halm equation
- Emden–Fowler equation
- The maximum absolute errors