Summary
An attempt is made to use past data, theoretically redundant, to improve the stability of wave equation numerical solution and to force its behaviour to agree with the analytical solution independently of grid size and time increment.
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Albino de Souza, A. Self-correcting error in numerical linear wave propagation. PAGEOPH 111, 2341–2345 (1973). https://doi.org/10.1007/BF00940888
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DOI: https://doi.org/10.1007/BF00940888