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兰州大学 [70]
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A New Uzawa-Type Iteration Method for Non-Hermitian Saddle-Point Problems
期刊论文
EAST ASIAN JOURNAL ON APPLIED MATHEMATICS, 2017, 卷号: 7, 期号: 1-1, 页码: 211-226
作者:
Dou, Y
;
Yang, AL
;
Wu, YJ
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/05/09
Saddle-point problems
Uzawa method
preconditioned shift-splitting
convergence
preconditioner
A Weak Galerkin Method with an Over-Relaxed Stabilization for Low Regularity Elliptic Problems
期刊论文
Journal of Scientific Computing, 2016, 页码: 1-24
作者:
Song, Lunji
;
Liu, Kaifang
;
Zhao, Shan
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  |  
浏览/下载:5/0
  |  
提交时间:2017/01/12
Finite element method
Computational mechanics
Galerkin methods
Numerical methods
Sobolev spaces
Stabilization
Discontinuous Galerkin methods
Low regularity
Low regularity solution
Numerical results
Optimal convergence order
Second-order elliptic problem
Variational form
Variational formulation
A Hybridized Discontinuous Galerkin Method for 2D Fractional Convection-Diffusion Equations
期刊论文
JOURNAL OF SCIENTIFIC COMPUTING, 2016, 卷号: 68, 期号: 2, 页码: 826-847
作者:
Wang, SQ
;
Yuan, JY
;
Deng, WH
;
Wu, YJ
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  |  
浏览/下载:8/0
  |  
提交时间:2017/01/12
2D fractional convection-diffusion equations
Hybridized discontinuous Galerkin method
Symmetric variational formula
Triangular meshes
Non-negative matrix factorization with sinkhorn distance
会议论文
25th international joint conference on artificial intelligence, ijcai 2016, new york, ny, united states, 2016-07-09
作者:
Qian, Wei
;
Hong, Bin
;
Cai, Deng
;
He, Xiaofei
;
Li, Xuelong
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  |  
浏览/下载:20/0
  |  
提交时间:2017/01/04
Artificial intelligence
Factorization
Iterative methods
A MODIFIED TIKHONOV REGULARIZATION METHOD FOR THE CAUCHY PROBLEM OF LAPLACE EQUATION
期刊论文
ACTA MATHEMATICA SCIENTIA, 2015, 卷号: 35, 期号: 6, 页码: 1339-1348
作者:
Yang, F
;
Fu, CL
;
Li, XX
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  |  
浏览/下载:9/0
  |  
提交时间:2017/01/12
Cauchy problem for Laplace equation
ill-posed problem
a posteriori parameter choice
error estimate
A new generalized parameterized inexact Uzawa method for solving saddle point problems
期刊论文
APPLIED MATHEMATICS AND COMPUTATION, 2015, 卷号: 265, 页码: 414-430
作者:
Dai, LF
;
Liang, ML
;
Fan, HT
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浏览/下载:4/0
  |  
提交时间:2017/01/12
Saddle point problems
Generalized parameterized inexact Uzawa method
Convergence
Semi-convergence
Preconditioner
On semi-convergence of a class of relaxation methods for singular saddle point problems
期刊论文
APPLIED MATHEMATICS AND COMPUTATION, 2015, 卷号: 261, 页码: 68-80
作者:
Fan, HT
;
Zhu, XY
;
Zhen, B
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  |  
浏览/下载:4/0
  |  
提交时间:2017/01/12
Singular saddle point problems
MIAOR method
GSSOR and USSOR methods
GSOR method
Semi-convergence
A new a posteriori parameter choice strategy for the convolution regularization of the space-fractional backward diffusion problem
期刊论文
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 2015, 卷号: 279, 页码: 233-248
作者:
Shi, C
;
Wang, C
;
Zheng, GH
;
Wei, T
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  |  
浏览/下载:4/0
  |  
提交时间:2015/12/16
Backward space-fractional diffusion problem
Posteriori parameter choice strategy
Convolution regularization method
Error estimate
A weighted numerical algorithm for two and three dimensional two-sided space fractional wave equations
期刊论文
APPLIED MATHEMATICS AND COMPUTATION, 2015, 卷号: 257, 页码: 264-273
作者:
Deng, KY
;
Chen, MH
;
Sun, TL
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  |  
浏览/下载:5/0
  |  
提交时间:2016/07/28
Fractional wave equation
Alternating direction implicit method
Left Riemann-Liouville fractional derivative
Right Riemann-Liouville fractional derivative
Weighted numerical algorithm
A generalized relaxed positive-definite and skew-Hermitian splitting preconditioner for non-Hermitian saddle point problems
期刊论文
APPLIED MATHEMATICS AND COMPUTATION, 2015, 卷号: 258, 页码: 36-48
作者:
Fan, HT
;
Zhu, XY
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  |  
浏览/下载:4/0
  |  
提交时间:2016/07/28
Non-Hermitian saddle point problems
Generalized relaxation PSS preconditioner
Eigenvalue properties
GMRES method
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