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An approximate inverse preconditioner for spatial fractional diffusion equations with piecewise continuous coefficients Journal article
International Journal of Computer Mathematics, 2019
Authors:  Fang,Zhi Wei;  Sun,Hai Wei;  Wei,Hui Qin
Favorite | View/Download:21/0 | TC[WOS]:0 TC[Scopus]:0 | Submit date:2019/05/27
Approximate Inverse  Circulant Matrix  Fast Fourier Transform  Fractional Diffusion Equation  Krylov Subspace Methods  Piecewise Continuous Coefficients  Toeplitz Matrix  
A Separable Preconditioner for Time-Space Fractional Caputo-Riesz Diffusion Equations Conference paper
NUMERICAL MATHEMATICS-THEORY METHODS AND APPLICATIONS, Univ Macau, Macau, PEOPLES R CHINA, MAY 20-22, 2017
Authors:  Lin, Xuelei;  Ng, Michael K.;  Sun, Haiwei
Favorite | View/Download:205/0 | TC[WOS]:6 TC[Scopus]:0 | Submit date:2018/10/30
Block Lower Triangular  Toeplitz-like Matrix  Diagonalization  Separable  Block Is An Element of-circulAnt Preconditioner  Time-space Fractional Diffusion Equations  
Circulant preconditioners for a kind of spatial fractional diffusion equations Journal article
Numerical Algorithms, 2018
Authors:  Zhi-Wei Fang;  Michael K. Ng;  ·Hai-Wei Sun
Favorite | View/Download:16/0 | TC[WOS]:0 TC[Scopus]:0 | Submit date:2019/08/09
Fractional Diffusion Equation  Fast Fourier Transform  Krylov Subspace Methods  Toeplitz Matrix  Circulant Preconditioner  
Recursive-based PCG methods for Toeplitz systems with nonnegative generating functions Journal article
SIAM Journal on Scientific Computing, 2003,Volume: 24,Issue: 5,Page: 1507-1529
Authors:  Ng,Michael K.;  Sun,Hai Wei;  Jin,Xiao Qing
Favorite | View/Download:9/0 | TC[WOS]:10 TC[Scopus]:0 | Submit date:2019/05/27
Gohberg-semencul Formula  Preconditioned Conjugate Gradient Method  Preconditioners  Recursive-based Method  Toeplitz Matrices