Abstract
This is a short response to some statements by Wang and Kreiss in “Convergence of Summation-by-Parts Finite Difference Methods for the Wave equation” (Wang and Kreiss in J Sci Comput 71(1):219–245, 2017) that questions results in our paper “On the order of accuracy for difference approximations of initial-boundary value problems” (Svärd and Nordström in J Comput Phys 218(1):333–352, 2006). We show that our results still stand.
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References
Svärd, M., Nordström, J.: On the order of accuracy for difference approximations of initial-boundary value problems. J. Comput. Phys. 218(1), 333–352 (2006)
Wang, S., Kreiss, G.: Convergence of summation-by-parts finite difference methods for the wave equation. J. Sci. Comput. 71(1), 219–245 (2017)
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Svärd, M., Nordström, J. Response to “Convergence of Summation-by-Parts Finite Difference Methods for the Wave Equation”. J Sci Comput 74, 1188–1192 (2018). https://doi.org/10.1007/s10915-017-0468-x
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DOI: https://doi.org/10.1007/s10915-017-0468-x