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Anisotropic linear triangle finite element approximation for multi-term time-fractional mixed diffusion and diffusion-wave equations with variable coefficient on 2D bounded domain 期刊论文
COMPUTERS & MATHEMATICS WITH APPLICATIONS, 2019, 卷号: 78, 期号: 5, 页码: 1705-1719
作者:  Zhao, Yanmin;  Wang, Fenling;  Hu, Xiaohan;  Shi, Zhengguang;  Tang, Yifa
收藏  |  浏览/下载:195/0  |  提交时间:2020/01/10
Multi-term time-fractional mixed diffusion-wave equations  Linear triangle finite element  L1 time-stepping method  Crank-Nicolson scheme  Unconditional stability  Convergence and superconvergence  
A novel high-order approximate scheme for two-dimensional time-fractional diffusion equations with variable coefficient 期刊论文
COMPUTERS & MATHEMATICS WITH APPLICATIONS, 2019, 卷号: 78, 期号: 5, 页码: 1288-1301
作者:  Wang, Fenling;  Zhao, Yanmin;  Chen, Chen;  Wei, Yabing;  Tang, Yifa
收藏  |  浏览/下载:190/0  |  提交时间:2020/01/10
Time-fractional diffusion equations  Variable coefficient  Quasi-Wilson nonconforming anisotropic finite element  L2-1(sigma) formula  Stability  Superclose and superconvergence  
Analysis on inexact block diagonal preconditioners for elliptic PDE-constrained optimization problems 期刊论文
COMPUTERS & MATHEMATICS WITH APPLICATIONS, 2017, 卷号: 74, 期号: 10, 页码: 2423-2437
作者:  Huang, Na;  Ma, Chang-Feng
浏览  |  Adobe PDF(577Kb)  |  收藏  |  浏览/下载:932/166  |  提交时间:2018/07/25
PDE-constrained optimization  Saddle point matrices  Preconditioner  Cholesky decomposition  Spectral bound  
Convergence and superconvergence of a fully-discrete scheme for multi-term time fractional diffusion equations 期刊论文
COMPUTERS & MATHEMATICS WITH APPLICATIONS, 2017, 卷号: 73, 期号: 6, 页码: 1087-1099
作者:  Zhao, Yanmin;  Zhang, Yadong;  Liu, F.;  Turner, I.;  Tang, Yifa;  Anh, V.
收藏  |  浏览/下载:136/0  |  提交时间:2018/07/30
Multi-term time-fractional diffusion equation  Finite element method  L1 approximation  Stability Convergence and superconvergence  
A new linearized split Bregman iterative algorithm for image reconstruction in sparse-view X-ray computed tomography 期刊论文
COMPUTERS & MATHEMATICS WITH APPLICATIONS, 2016, 卷号: 71, 期号: 8, 页码: 1537-1559
作者:  Chen, Chong;  Xu, Guoliang
收藏  |  浏览/下载:122/0  |  提交时间:2018/07/30
Linearized split Bregman iteration  Compressed sensing  Robust image reconstruction  Sparse views  X-ray computed tomography  
The hole-filling method and the multiscale computation for the wave equations in perforated domains 期刊论文
COMPUTERS & MATHEMATICS WITH APPLICATIONS, 2015, 卷号: 70, 期号: 8, 页码: 1743-1756
作者:  Dong, Qiaoli;  Cao, Liqun
收藏  |  浏览/下载:113/0  |  提交时间:2018/07/30
Wave equation  Hole-filling method  Homogenization  Multiscale asymptotic method  Finite element method  A perforated domain  
The Grunwald-Letnikov method for fractional differential equations 期刊论文
COMPUTERS & MATHEMATICS WITH APPLICATIONS, 2011, 卷号: 62, 期号: 3, 页码: 902-917
作者:  Scherer, Rudolf;  Kalla, Shyam L.;  Tang, Yifa;  Huang, Jianfei
收藏  |  浏览/下载:146/0  |  提交时间:2018/07/30
Fractional derivatives  Fractional differential equations  Grunwald-Letnikov approximation  Difference methods  Binomial coefficients  Stability  
A class of asynchronous parallel iterations for the systems of nonlinear algebraic equations 期刊论文
COMPUTERS & MATHEMATICS WITH APPLICATIONS, 2000, 卷号: 39, 期号: 7-8, 页码: 81-94
作者:  Bai, ZZ
收藏  |  浏览/下载:114/0  |  提交时间:2018/07/30
system of nonlinear algebraic equations  matrix multisplitting  asynchronous iteration  global convergence  
A note on the convergence of the two-grid method for Toeplitz systems 期刊论文
COMPUTERS & MATHEMATICS WITH APPLICATIONS, 1997, 卷号: 34, 期号: 1, 页码: 11-18
作者:  Sun, HW;  Chan, RH;  Chang, QS
收藏  |  浏览/下载:92/0  |  提交时间:2018/07/30
multigrid method  Toeplitz matrices  Richardson method  damped-Jacobi method  
Parallel nonlinear AOR method and its convergence 期刊论文
COMPUTERS & MATHEMATICS WITH APPLICATIONS, 1996, 卷号: 31, 期号: 2, 页码: 21-31
作者:  Bai, ZZ
收藏  |  浏览/下载:104/0  |  提交时间:2018/07/30
system of nonlinear equations  multisplitting  relaxed method  global convergence  monotonicity