A fast finite difference method for three-dimensional time-dependent space-fractional diffusion equations and its efficient implementation

DOI10.1016/j.jcp.2013.06.040zbMath1349.65341OpenAlexW2008247388MaRDI QIDQ348094

Ning Du, Hong Wang

Publication date: 5 December 2016

Published in: Journal of Computational Physics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.jcp.2013.06.040

zbMATH Keywords

fast Fourier transformToeplitz matrixspace-fractional diffusion equationcirculant matrixanomalous diffusionconjugate gradient squared method

Mathematics Subject Classification ID

Reaction-diffusion equations (35K57) Finite difference methods for initial value and initial-boundary value problems involving PDEs (65M06) Complexity and performance of numerical algorithms (65Y20) Fractional partial differential equations (35R11)

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