Abstract
In this article, we present two conservative and fourth-order compact finite-difference schemes for solving the generalized Rosenau–Kawahara–RLW equation. The proposed schemes are energy-conserved, convergent, and unconditionally stable, and the numerical convergence orders in both \(l_{2}\)-norm and \(l_{\infty }\)-norm are of \(O(\tau ^{2}+h^{4})\). Numerical experiments demonstrate that the present schemes are efficient and reliable.









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Acknowledgements
The first two authors were supported in part by Fujian Province Science Foundation for Middle-aged and Young Teachers (no. JAT190368). The authors would like to thank the anonymous reviewers for their valuable suggestions which improve the quality of the manuscript.
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Wang, X., Cheng, H. & Dai, W. Conservative and fourth-order compact difference schemes for the generalized Rosenau–Kawahara–RLW equation. Engineering with Computers 38, 1491–1514 (2022). https://doi.org/10.1007/s00366-020-01113-9
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DOI: https://doi.org/10.1007/s00366-020-01113-9