1.Institute of Mathematics, National Academy of Sciences of Belarus, Minsk, 220072, Belarus ;2.The John Paul Catholic University of Lublin, Lublin, 20-950, Poland ;3.Belarusian State University, Minsk, 220030, Belarus ;
Abstract:
Differential Equations - We consider compact difference schemes of approximation order $$4+2 $$ on a three-point spatial stencil for the Klein–Gordon equations with constant and variable...