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兰州大学 [30]
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浏览/检索结果:
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SIMPLE-like preconditioners for saddle point problems from the steady Navier-Stokes equations
期刊论文
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 2016, 卷号: 302, 页码: 211-223
作者:
Liang, ZZ
;
Zhang, GF
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/01/12
SIMPLE preconditioner
Spectral analysis
Saddle point problems
Convergence
Preconditioning
Navier-Stokes equation
Two new variants of the HSS preconditioner for regularized saddle point problems
期刊论文
COMPUTERS & MATHEMATICS WITH APPLICATIONS, 2016, 卷号: 72, 期号: 3, 页码: 603-619
作者:
Liang, ZZ
;
Zhang, GF
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  |  
浏览/下载:3/0
  |  
提交时间:2017/01/12
Hermitian and skew-Hermitian splitting
Preconditioning
Regularized saddle point problem
Spectral analysis
Optimization
Improved design of expanding window fountain codes over BIAWGN channels
会议论文
4th International Conference on Computer Science and Network Technology, ICCSNT 2015, Harbin, China, December 19, 2015 - December 20, 2015
作者:
Li, Juan
;
Yuan, Lei
;
Wan, Yi
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  |  
浏览/下载:58/0
  |  
提交时间:2017/01/18
Codes (symbols)
Asymptotic analysis
Computer networks
Digital communication systems
Encoding (symbols)
Errors
Forward error correction
Gaussian noise (electronic)
White noise
Additive White Gaussian noise
Analysis and simulation
BIAWGN chan-nels
Design flexibility
Expanding window fountain codes
Node degree distribution
Unequal error protections
Unequal power allocation
TRAVELING WAVE SOLUTIONS IN A NONLOCAL REACTION-DIFFUSION POPULATION MODEL
期刊论文
COMMUNICATIONS ON PURE AND APPLIED ANALYSIS, 2016, 卷号: 15, 期号: 3, 页码: 1057-1076
作者:
Han, BS
;
Wang, ZC
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  |  
浏览/下载:2/0
  |  
提交时间:2017/01/12
Nonlocal reaction-diffusion equation
monostable
traveling waves
lower and upper solutions
numerical simulation
linear stability analysis
Parameterized preconditioned Hermitian and skew-Hermitian splitting iteration method for a class of linear matrix equations
期刊论文
COMPUTERS & MATHEMATICS WITH APPLICATIONS, 2015, 卷号: 70, 期号: 6, 页码: 1357-1367
作者:
Zhang, WH
;
Yang, AL
;
Wu, YJ
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  |  
浏览/下载:3/0
  |  
提交时间:2017/01/12
Linear matrix equation
Hermitian and skew-Hermitian splitting
Iteration method
Iteration parameter
Convergence analysis
A series of high-order quasi-compact schemes for space fractional diffusion equations based on the superconvergent approximations for fractional derivatives
期刊论文
NUMERICAL METHODS FOR PARTIAL DIFFERENTIAL EQUATIONS, 2015, 卷号: 31, 期号: 5, 页码: 1345-1381
作者:
Zhao, LJ
;
Deng, WH
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浏览/下载:2/0
  |  
提交时间:2017/01/12
fractional derivative
high-order scheme
quasi-compactness
stability analysis
Optimal error bound and simplified Tikhonov regularization method for a backward problem for the time-fractional diffusion equation
期刊论文
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 2015, 卷号: 279, 页码: 277-292
作者:
Wang, JG
;
Wei, T
;
Zhou, YB
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  |  
浏览/下载:3/0
  |  
提交时间:2015/12/16
Inverse problem
Fractional diffusion equation
Optimal error bound
Simplified Tikhonov regularization method
Convergence analysis
A posteriori parameter choice
A weighted finite difference method for the fractional diffusion equation based on the Riemann-Liouville derivative
期刊论文
APPLIED NUMERICAL MATHEMATICS, 2015, 卷号: 90, 页码: 22-37
作者:
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  |  
浏览/下载:3/0
  |  
提交时间:2015/12/16
Fractional diffusion equations
Riemann-Liouville derivative
Weighted average methods
Von Neumann stability analysis
An Iterative Method for Backward Time-Fractional Diffusion Problem
期刊论文
NUMERICAL METHODS FOR PARTIAL DIFFERENTIAL EQUATIONS, 2014, 卷号: 30, 期号: 6, 页码: 2029-2041
作者:
Wang, JG
;
Wei, T
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  |  
浏览/下载:4/0
  |  
提交时间:2015/12/16
a posteriori parameter choice
a priori parameter choice
backward problem
convergence analysis
fractional diffusion equation
iterative regularization method
Lopsided PMHSS iteration method for a class of complex symmetric linear systems
期刊论文
NUMERICAL ALGORITHMS, 2014, 卷号: 66, 期号: 3, 页码: 555-568
作者:
Li, X
;
Yang, AL
;
Wu, YJ
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  |  
浏览/下载:2/0
  |  
提交时间:2015/12/16
Complex symmetric linear system
Positive definite
Lopsided PMHSS iteration
Spectral radius
Preconditioning
Convergence analysis
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