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Efficient preconditioning techniques for velocity tracking of Stokes control problem
期刊论文
Applied Numerical Mathematics, 2021, 卷号: 165, 页码: 322-338
作者:
Liang, Zhao-Zheng
;
Dou, Yan
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浏览/下载:15/0
  |  
提交时间:2021/04/12
Eigenvalues and eigenfunctions
Iterative methods
Linear systems
Numerical methods
Optimal control systems
Spectrum analysis
Control problems
Iterative solution methods
Krylov subspace acceleration
Optimal control problem
PDE-constrained optimization
Preconditioners
Preconditioning
Preconditioning techniques
Stokes flows
Velocity tracking
Optimal rotated block-diagonal preconditioning for discretized optimal control problems constrained with fractional time-dependent diffusive equations
期刊论文
APPLIED NUMERICAL MATHEMATICS, 2021, 卷号: 163, 页码: 126-146
作者:
Bai, Zhong-Zhi
;
Lu, Kang-Ya
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  |  
浏览/下载:57/0
  |  
提交时间:2021/04/26
Fractional optimal control problem
Numerical discretizations
Block two-by-two linear system
Preconditioning
Spectral bounds
Krylov subspace iteration methods
Convergence property
A limited-memory block bi-diagonal Toeplitz preconditioner for block lower triangular Toeplitz system from time–space fractional diffusion equation
期刊论文
Journal of Computational and Applied Mathematics, 2019, 卷号: 362, 页码: 99-115
作者:
Zhao, Yong-Liang
;
Zhu, Pei-Yong
;
Gu, Xian-Ming
;
Zhao, Xi-Le
;
Cao, Jianxiong
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  |  
浏览/下载:5/0
  |  
提交时间:2020/11/14
Gradient methods
Linear systems
Matrix algebra
Partial differential equations
Circulant preconditioner
Fractional differential equations
Krylov subspace method
Toeplitz matrices
WSGD
A limited-memory block bi-diagonal Toeplitz preconditioner for block lower triangular Toeplitz system from time-space fractional diffusion equation
期刊论文
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 2019, 卷号: 362, 页码: 99-115
作者:
Zhao, Yong-Liang
;
Zhu, Pei-Yong
;
Gu, Xian-Ming
;
Zhao, Xi-Le
;
Cao, Jianxiong
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  |  
浏览/下载:14/0
  |  
提交时间:2019/11/15
Block triangular lower Toeplitz matrix
Skew-circulant preconditioner
Krylov subspace methods
Fractional differential equations
WSGD
L2-1(sigma) formula
A Block Diagonal Preconditioner for Generalised Saddle Point Problems
期刊论文
EAST ASIAN JOURNAL ON APPLIED MATHEMATICS, 2016, 卷号: 6, 期号: 3, 页码: 235-252
作者:
Zheng, Z
;
Zhang, GF
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浏览/下载:4/0
  |  
提交时间:2017/01/12
Generalised saddle point problem
Krylov subspace methods
alternating direction iteration
preconditioning
convergence.
On-line monitoring analysis of BEAVRS benchmark using NECP-ONION
会议论文
作者:
Li, Zhuo
;
Wu, Hongchun
;
Cao, Liangzhi
;
Tian, Chao
;
Chen, Dingyong
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  |  
浏览/下载:9/0
  |  
提交时间:2019/11/26
Boron concentrations
Diffusion equations
Expansion methods
Krylov subspace method
Monitoring results
On-line monitoring system
Online monitoring
Power distributions
Block Krylov subspace methods for approximating the linear combination of phi-functions arising in exponential integrators
期刊论文
COMPUTERS & MATHEMATICS WITH APPLICATIONS, 2016, 卷号: 72, 页码: 846-855
作者:
Cong, Yuhao[1]
;
Li, Dongping[2]
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  |  
浏览/下载:10/0
  |  
提交时间:2019/04/26
phi-functions
Exponential integrators
Block Krylov subspace methods
QR decomposition
A parallel generalized global conjugate gradient squared algorithm for linear systems with multiple right-hand sides
期刊论文
COMPUTATIONAL & APPLIED MATHEMATICS, 2015, 卷号: 34, 期号: 3, 页码: 901-916
作者:
Zhang, Li-Tao[1]
;
Zuo, Xian-Yu[2]
;
Gu, Tong-Xiang[3]
;
Liu, Xing-Ping[4]
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  |  
浏览/下载:9/0
  |  
提交时间:2019/12/23
Sparse nonsymmetric linear systems
Gl-CGS algorithm
Krylov subspace methods
Global communication
Mutiple right-hand sides
An improved generalized conjugate residual squared (IGCRS2) algorithm suitable for distributed parallel computing
期刊论文
JAPAN JOURNAL OF INDUSTRIAL AND APPLIED MATHEMATICS, 2015, 卷号: 32, 期号: 1, 页码: 143-155
作者:
Zhang, Li-Tao[1]
;
Dong, Xiao-Na[2]
;
Gu, Tong-Xiang[3]
;
Zuo, Xian-Yu[4]
;
Liu, Xing-Ping[5]
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2019/12/23
Sparse nonsymmetric linear systems
IGCRS algorithm
Krylov subspace methods
Global communication
Block filtering decomposition
期刊论文
NUMERICAL LINEAR ALGEBRA WITH APPLICATIONS, 2014, 卷号: 21, 页码: 703-721
作者:
Fezzani, Riadh[1]
;
Grigori, Laura[2]
;
Nataf, Frederic[3]
;
Wang, Ke[4]
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  |  
浏览/下载:4/0
  |  
提交时间:2019/04/30
linear solvers
Krylov subspace methods
preconditioning
filtering property
block incomplete decomposition
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