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On improving the 2-4 two-dimensional leap-frog scheme. (English) Zbl 0454.65071
MSC:
65M12 Stability and convergence of numerical methods for initial value and initial-boundary value problems involving PDEs
35L45 Initial value problems for first-order hyperbolic systems
65M06 Finite difference methods for initial value and initial-boundary value problems involving PDEs
68Q25 Analysis of algorithms and problem complexity
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