兰州大学机构库

Browse/Search Results:  1-10 of 833 Help

Selected(0)Clear Items/Page:    Sort:
A two-parameter block triangular preconditioner for double saddle point problem arising from liquid crystal directors modeling 期刊论文
NUMERICAL ALGORITHMS, 2021
Authors:  Zhu, Jun-Li;  Wu, YJ(伍渝江);  Yang, Ai-Li
Favorite  |  View/Download:22/0  |  Submit date:2021/08/12
Double saddle point problem  TPBT preconditioner  Eigenvalue analysis  Preconditioned matrix  Optimal parameter  
Hermite Cubic Spline Collocation Method for Nonlinear Fractional Differential Equations with Variable-Order 期刊论文
SYMMETRY-BASEL, 2021, 卷号: 13, 期号: 5
Authors:  Zhao, Tinggang;  Wu, YJ(伍渝江)
Adobe PDF(705Kb)  |  Favorite  |  View/Download:13/0  |  Submit date:2021/06/17
collocation methodfractional calculushermite cubic splinefractional burgers equation  
Convergence of a generalized PMHSS method for a class of singular block two-by-two linear systems 期刊论文
COMPUTATIONAL & APPLIED MATHEMATICS, 2020, 卷号: 39, 期号: 4
Authors:  Hao, Yue;  Yang, Ai-Li;  Wu, YJ(伍渝江)
Favorite  |  View/Download:49/0  |  Submit date:2020/12/20
Singular block two-by-two linear system  GPMHSS iteration method  Convergence property  Minimum norm least squares solution  Preconditioner  
Airborne particulate matter, population mobility and COVID-19: a multi-city study in China 期刊论文
BMC PUBLIC HEALTH, 2020, 卷号: 20, 期号: 1
Authors:  Wang, Bo;  Liu, Jiangtao;  Li, Yanlin;  Fu, Shihua;  Xu, Xiaocheng;  Li, Lanyu;  Zhou, Ji;  Liu, XR(刘兴荣);  He, Xiaotao;  Yan, Jun...Wang, Bo;  Liu, Jiangtao;  Li, Yanlin;  Fu, Shihua;  Xu, Xiaocheng;  Li, Lanyu;  Zhou, Ji;  Liu, XR(刘兴荣);  He, Xiaotao;  Yan, Jun;  Shi, Yanjun;  Niu, JP(牛静萍);  Yang, Yong;  Li, Yiyao;  Luo, B(罗斌);  Zhang, Kai
Adobe PDF(2034Kb)  |  Favorite  |  View/Download:33/0  |  Submit date:2020/12/18
COVID-19  Particulate matter  Population mobility  Generalized additive models  
Recovering space-dependent source for a time-space fractional diffusion wave equation by fractional Landweber method 期刊论文
INVERSE PROBLEMS IN SCIENCE AND ENGINEERING, 2020
Authors:  Jiang, Su-Zhen;  Wu, YJ(伍渝江)
Favorite  |  View/Download:33/0  |  Submit date:2020/12/20
Fractional diffusion wave equation  inverse problem  fractional Landweber method  convergence estimates  numerical calculation  Inverse Problem  
Impact of meteorological factors on the COVID-19 transmission: A multi-city study in China 会议论文
Science of the Total Environment
Authors:  Liu, Jiangtao;  Zhou, Ji;  Yao, Jinxi;  Zhang, Xiuxia;  Li, Lanyu;  Xu, Xiaocheng;  He, Xiaotao;  Wang, Bo;  Fu, Shihua;  Niu, Tingting...Liu, Jiangtao;  Zhou, Ji;  Yao, Jinxi;  Zhang, Xiuxia;  Li, Lanyu;  Xu, Xiaocheng;  He, Xiaotao;  Wang, Bo;  Fu, Shihua;  Niu, Tingting;  Yan, Jun;  Shi, Yanjun;  Ren, XW(任晓卫);  Niu, JP(牛静萍);  Zhu, Weihao;  Li, Sheng;  Luo, B(罗斌);  Zhang, Kai
Favorite  |  View/Download:19/0  |  Submit date:2020/12/17
Population dynamics  TemperatureAbsolute humidity  Diurnal temperature ranges  Generalized linear model  Local weather conditions  Meteorological factors  Negative binomial distribution  Non-linear regression  Two-stage analysis  
Fast and High-Order Accuracy Numerical Methods for Time-Dependent Nonlocal Problems in R2 期刊论文
Journal of Scientific Computing, 2020, 卷号: 84, 期号: 1
Authors:  Cao, Rongjun;  Chen, Minghua;  Ng, Michael K.;  Wu, YJ(伍渝江)
Favorite  |  View/Download:32/0  |  Submit date:2020/12/16
Conjugate gradient methodCoefficient matrix  Computational costs  High-order accuracy  Indefinite systems  Piecewise quadratic polynomials  Temporal and spatial  Temporal dimensions  Unconditionally stable  
Fast and High-Order Accuracy Numerical Methods for Time-Dependent Nonlocal Problems in R-2 期刊论文
JOURNAL OF SCIENTIFIC COMPUTING, 2020, 卷号: 84, 期号: 1
Authors:  Cao, Rongjun;  Chen, Minghua;  Ng, Michael K.;  Wu, YJ(伍渝江)
Adobe PDF(549Kb)  |  Favorite  |  View/Download:35/0  |  Submit date:2020/08/29
Two-dimensional time-dependent nonlocal problems  Nonsymmetric indefinite systems  Rectangular matrices  Conjugate gradient squares method  Stability and convergence analysis  
居民债务风险、收入分配差距对银行信贷资产质量的影响研究 学位论文
, 兰州: 兰州大学, 2020
Authors:  姜彦君
Favorite  |  View/Download:5/0  |  Submit date:2021/03/02
杠杆率  收入分配差距  信贷风险  
Minimum residual modified HSS iteration method for a class of complex symmetric linear systems 期刊论文
NUMERICAL ALGORITHMS, 2020
Authors:  Zhang, Wei-Hong;  Yang, Ai-Li;  Wu, YJ(伍渝江)
Adobe PDF(427Kb)  |  Favorite  |  View/Download:45/0  |  Submit date:2020/12/20
Complex symmetric matrix  Modified Hermitian and skew-Hermitian splitting iteration method  Minimum residual technique  Convergence property  Iteration parameter