兰州大学机构库

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Preconditioning optimal control of the unsteady Burgers equations with H-1 regularized term 期刊论文
APPLIED MATHEMATICS AND COMPUTATION, 2015, 卷号: 254, 期号: -, 页码: 133-147
Authors:  Zeng, ML;  Zhang, GF(张国凤);  Zhang, GF (reprint author), Lanzhou Univ, Sch Math & Stat, Lanzhou 730000, Peoples R China.
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Saddle-point system  Optimal control  Preconditioning  Nonstandard inner product  Unsteady Burgers equations  
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
Authors:  Wang, JG;  Wei, T(魏婷);  Wei, T (reprint author), Lanzhou Univ, Sch Math & Stat, Lanzhou 730000, Peoples R China.
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a posteriori parameter choice  a priori parameter choice  backward problem  convergence analysis  fractional diffusion equation  iterative regularization method  
Development of the analogue-dynamical method for error correction of numerical forecasts 期刊论文
JOURNAL OF METEOROLOGICAL RESEARCH, 2014, 卷号: 28, 期号: 5, 页码: 934-947
Authors:  Yu, HP;  Huang, JP(黄建平);  Li, WJ;  Feng, GL;  Huang, JP (reprint author), Lanzhou Univ, Coll Atmospher Sci, Lanzhou 730000, Peoples R China.
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analogue-dynamical method  numerical model  error correction  historical data  
Extracting predictable components and forecasting techniques in extended-range numerical weather prediction 期刊论文
SCIENCE CHINA-EARTH SCIENCES, 2014, 卷号: 57, 期号: 7, 页码: 1525-1537
Authors:  Wang, QG;  Chou, JF(丑纪范);  Feng, GL;  Wang, QG (reprint author), Lanzhou Univ, Coll Atmospher Sci, Lanzhou 730000, Peoples R China.
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extended-range forecast  predictable components  chaotic components  analogue correction of errors  fast non-adjoint algorithm  
Recovering the source and initial value simultaneously in a parabolic equation 期刊论文
INVERSE PROBLEMS, 2014, 卷号: 30, 期号: 6, 页码: -
Authors:  Zheng, GH;  Wei, T(魏婷);  Zheng, GH (reprint author), Hunan Univ, Coll Math & Econometr, Changsha 410082, Hunan, Peoples R China.
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variational regularization method  conjugate gradient method  discrepancy principle  source term  initial condition  conditional stability  convergence rates  
Multiplicative Noise Removal via a Learned Dictionary 期刊论文
IEEE Transactions on Image Processing, 2012, 卷号: 21, 期号: 11, 页码: 4534-4543
Authors:  Huang, YM(黄玉梅);  Lionel Moisan;  Michael K. Ng;  Tieyong Zeng
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Dictionaries  Psnr  Minimization  Vectors  Noise Reduction  Additive Noise  
Optimal error bound and Fourier regularization for identifying an unknown source in the heat equation 期刊论文
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 2009, 卷号: 230, 期号: 2, 页码: 728-737
Authors:  Dou, FF;  Fu, CL(傅初黎);  Yang, FL;  Fu, CL (reprint author), Lanzhou Univ, Sch Math & Stat, Lanzhou 730000, Peoples R China.
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Ill-posed problem  Optimal error bound  Unknown source  Heat equation  Fourier regularization  
The identification of a Robin coefficient by a conjugate gradient method 期刊论文
INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING, 2009, 卷号: 78, 期号: 7, 页码: 800-816
Authors:  Yang, FL;  Yan, L;  Wei, T(魏婷);  Wei, T (reprint author), Lanzhou Univ, Sch Math & Stat, Lanzhou 730000, Peoples R China.
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Robin coefficient  inverse heat conduction problem  conjugate gradient method  
Numerical approximation of solution of nonhomogeneous backward heat conduction problem in bounded region 期刊论文
MATHEMATICS AND COMPUTERS IN SIMULATION, 2008, 卷号: 79, 期号: 2, 页码: 177-188
Authors:  Feng, XL;  Qian, Z;  Fu, CL(傅初黎);  Fu, CL (reprint author), Lanzhou Univ, Sch Math & Stat, Lanzhou 730000, Peoples R China.
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Backward heat conduction  III-posed problem  Tikhonov regularization  Error estimate  
Time-expanded sampling for ensemble-based filters: Assimilation experiments with a shallow-water equation model 期刊论文
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 2008, 卷号: 113, 期号: D2, 页码: -
Authors:  Xu, Q;  Wei, L;  Lu, HJ;  Qiu, CJ;  Zhao, QY;  Xu, Q (reprint author), NOAA, Natl Severe Storms Lab, 120 David L Boren Blvd, Norman, OK 73072 USA.
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