Some improvements of the nonequidistant Engquist-Osher scheme

@inproceedings{Vulanovi1990SomeIO,
  title={Some improvements of the nonequidistant Engquist-Osher scheme},
  author={Relja Vulanovi},
  year={1990}
}
Two nonequidistant finite-difference schemes for quasilinear singular perturbation problems are given, and their properties are discussed and compared. One of them corresponds to the equidistant Lorenz modification of the Engquist-Osher scheme. The other one switches in dependence on the cell Reynolds number. Both schemes show quadratic L^1 accuracy, but the second one gives better pointwise results. 

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