Modified DTS Iteration Methods for Spatial Fractional Diffusion Equations

Modified DTS Iteration Methods for Spatial Fractional Diffusion Equations

For the discretized linear systems of the spatial fractional diffusion equations, we construct a class of a modified DTS iteration method and give its asymptotic convergence conditions. Then, we design a fast modified DTS preconditioner by replacing Toeplitz matrix <inline-formula><math xml...

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Bibliographic Details
Main Authors: Xin-Hui Shao, Chong-Bo Kang
Format: Article
Language:English
Published: MDPI AG 2023-02-01
Series:Mathematics
Subjects:
spatial fractional diffusion equations
convergence
preconditioner
GMRES
Online Access:https://www.mdpi.com/2227-7390/11/4/931

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