A sixth order quasi-compact finite difference method for Helmholtz equations with variable wave numbers
DOI10.1016/j.aml.2023.108805zbMath1522.65187MaRDI QIDQ6052203
Kang Fu, Ke-jia Pan, Hongling Hu
Publication date: 21 September 2023
Published in: Applied Mathematics Letters (Search for Journal in Brave)
Helmholtz equationdiscrete maximum principlevariable wave numbersixth-order schemequasi-compact scheme
Numerical computation of solutions to systems of equations (65H10) PDEs in connection with optics and electromagnetic theory (35Q60) Stability and convergence of numerical methods for boundary value problems involving PDEs (65N12) Iterative numerical methods for linear systems (65F10) Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation (35J05) Finite difference methods for boundary value problems involving PDEs (65N06) Waves and radiation in optics and electromagnetic theory (78A40)
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