兰州大学机构库

Browse/Search Results:  1-10 of 2387 Help

Selected(0)Clear Items/Page:    Sort:
A restrictive preconditioner for the system arising in half-quadratic regularized image restoration 期刊论文
Applied Mathematics Letters, 2021, 卷号: 115
Authors:  Zhao, Pei-Pei;  Huang, YM(黄玉梅)
Favorite  |  View/Download:33/0  |  Submit date:2021/01/18
Conjugate gradient method  Linear systems  Matrix algebra  Newton-Raphson method  Numerical methods  Restoration  Ill conditioned problems  Image restoration problem  Numerical experiments  Preconditioned matrix  Regularization methods  Spectral properties  Structured systems  Symmetric positive definite  
The case of China's fiscal decentralization and eco-efficiency: is it worthwhile or just a bootless errand? 期刊论文
Sustainable Production and Consumption, 2021, 卷号: 26, 页码: 89-100
Authors:  Ahmad, Fayyaz;  Xu, H(徐辉);  Draz, Muhammad Umar;  Ozturkc, Ilhan;  Chandio, Abbas Ali;  Wang, Yanping;  Zhang, Dawei
Favorite  |  View/Download:6/0  |  Submit date:2020/12/16
Budget control  Economic and social effects  Economics  Efficiency  Finite difference method  Investments  Method of moments  Population statistics  Public policy  Regional planning  Sustainable developmentCross sectional dependence  Environmental pollutions  Foreign direct investments  Generalized method of moments  Population densities  Stationary properties  Sustainable economic development  Urban agglomerations  
Traveling waves in a nonlocal dispersal SIR model with non-monotone incidence 期刊论文
Communications in Nonlinear Science and Numerical Simulation, 2021, 卷号: 95
Authors:  Feng, Yan-Xia;  Li, WT(李万同);  Yang, Fei-Ying
Favorite  |  View/Download:30/0  |  Submit date:2021/01/18
Computer simulation  Numerical analysis  Delicate analysis  Epidemic modeling  Existence and non existences  Monotone systems  Nonlocal dispersal  Schauder's fixed point theorem  Super-solutions  Traveling wave solution  
High-order BDF fully discrete scheme for backward fractional Feynman-Kac equation with nonsmooth data 期刊论文
Applied Numerical Mathematics, 2021, 卷号: 161, 页码: 82-100
Authors:  Sun, Jing;  Nie, Daxin;  Deng, WH(邓伟华)
Favorite  |  View/Download:30/0  |  Submit date:2020/12/16
Computational methods  Mathematical techniquesBackward difference formula  Feynman-Kac equations  Fully discrete scheme  High convergence orders  High-order scheme  Nonlocal operator  Numerical experiments  Optimal convergence  
A self-organizing forecast of day-ahead wind speed: Selective ensemble strategy based on numerical weather predictions 期刊论文
Energy, 2021, 卷号: 218
Authors:  Zhao, Jing;  Guo, Zhenhai;  Guo, Yanling;  Lin, Wantao;  Zhu, Wenjin
Favorite  |  View/Download:0/0  |  Submit date:2021/01/18
Clustering algorithms  Gaussian distribution  Numerical methods  Numerical models  Optimization  Wind  Wind power  Atmospheric simulations  Ensemble performance  Gaussian Mixture Model  Group method of data handling  Numerical weather prediction  Selective ensembles  Weather research and forecasting models  Wind speed prediction  
Geometry design and performance optimization of a terrestrial radioisotope thermoelectric generator based on finite element analysis 期刊论文
Annals of Nuclear Energy, 2021, 卷号: 151
Authors:  Deng, Wei;  Wang, Xuejian;  Pan, XD(潘小东);  Zhang, SX(张世旭);  Ding, Jingjie;  Li, GP(李公平)
Favorite  |  View/Download:2/0  |  Submit date:2020/12/16
Electric connectors  Electronic equipment  Fins (heat exchange)  Geometry  Nuclear batteries  Radiators  Radioisotopes  Temperature  Thermoelectric energy conversion  Thermoelectric equipmentEffects of temperature  Electric connections  Output performance  Performance optimizations  Radioisotope thermoelectric generators  Surface temperatures  Temperature uniformity  Thermoelectric converter  
Inner product free iterative solution and elimination methods for linear systems of a three-by-three block matrix form 期刊论文
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 2021, 卷号: 383
Authors:  Axelsson, Owe;  Liang, Zhao-Zheng;  Kruzik, Jakub;  Horak, David
Favorite  |  View/Download:2/0  |  Submit date:2020/12/16
PDE-constrained optimization  Iterative solution  Preconditioning  Global communication  Inner product free  Parallel efficiency  
Splash function for the collision of sand-sized particles onto an inclined granular bed, based on discrete-element-simulations 期刊论文
Powder Technology, 2021, 卷号: 378, 页码: 348-358
Authors:  Yin, Xin;  Huang, N(黄宁);  Jiang, Cong;  Parteli, Eric J.R.;  Zhang, J(张洁)
Favorite  |  View/Download:5/0  |  Submit date:2020/12/16
Finite difference method  Numerical methods  Numerical models  Particle size  Trajectories  VelocityDiscrete element simulation  Experimental evidence  Horizontal surfaces  Incident particles  Individual particles  Particle impact velocities  Particle trajectories  Sand-sized particles  
A fire-controlled MSPCNN and its applications for image processing 期刊论文
Neurocomputing, 2021, 卷号: 422, 页码: 150-164
Authors:  Lian, Jing;  Yang, Zhen;  Sun, Wenhao;  Zheng, Li;  Qi, Yunliang;  Shi, Bin;  Ma, YD(马义德)
Favorite  |  View/Download:4/0  |  Submit date:2020/12/16
Image compression  Iterative methods  Neural networksAdaptive parameters  Color image quantization  Evaluation experiments  Image locations  ITS applications  Neuronal firings  Parameter setting method  Pulse coupled neural network  
A two-step accelerated Levenberg-Marquardt method for solving multilinear systems in tensor-train format 期刊论文
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 2021, 卷号: 382
Authors:  Liang, Maolin;  Zheng, Bing;  Zheng, Yutao;  Zhao, Ruijuan
Favorite  |  View/Download:1/0  |  Submit date:2020/12/16
Multilinear systems  Tensor-train format  Levenberg-Marquardt (LM) method  The TALM method