On \(\tau\) matrix-based approximate inverse preconditioning technique for diagonal-plus-Toeplitz linear systems from spatial fractional diffusion equations
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Publication:2075984
DOI10.1016/j.cam.2022.114088zbMath1485.65029OpenAlexW4205910489MaRDI QIDQ2075984
Junfeng Yang, Min-Li Zeng, Guo-Feng Zhang
Publication date: 16 February 2022
Published in: Journal of Computational and Applied Mathematics (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1016/j.cam.2022.114088
preconditioningKrylov subspace methodapproximate inversespatial fractional diffusion equation\(\tau\) matrix
Iterative numerical methods for linear systems (65F10) Toeplitz, Cauchy, and related matrices (15B05) Preconditioners for iterative methods (65F08)
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On \(\tau\)-preconditioner for a novel fourth-order difference scheme of two-dimensional Riesz space-fractional diffusion equations ⋮ A fast second-order scheme for nonlinear Riesz space-fractional diffusion equations
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