A circulant preconditioner for the Riesz distributed-order space-fractional diffusion equations

Xin Huang,Zhi-Wei Fang,Hai-Wei Sun,Chun-Hua Zhang

Linear & Multilinear Algebra（2020）

引用 9|浏览7

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摘要

In this paper, we study a fast algorithm for the numerical solution of the 1D distributed-order space-fractional diffusion equation. After discretization by the finite difference method, the result...

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关键词

Distributed-order, space-fractional diffusion equations, circulant preconditioner, preconditioned conjugated gradient method

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