Comments on a numerical algorithm for problems having interior power-of-type-2 layers

V.D. Liseikin

Mathematics and Computers in Simulation (MATCOM), 2022, vol. 199, issue C, 253-256

Abstract: Paper (Munyakazi et al. (2018)), related to numerical solutions of singularly perturbed problems with a single interior turning point having an interior power-of-type-2 layer, has gross inaccuracies in both estimates of solution derivatives and numerical experiments. The author of the current paper would like, first, to point out the blunders; second, to make necessary corrections; and, third, to describe new forms of non-exponential layers and welcome and encourage the authors to work more laboriously and persistently at studying and mastering problems with such layers.

Keywords: Algorithm; Interior layer; Numerical grid; Scheme (search for similar items in EconPapers)
Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:eee:matcom:v:199:y:2022:i:c:p:253-256

DOI: 10.1016/j.matcom.2022.03.024

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