兰州大学机构库

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On Chebyshev accelerated iteration methods for two-by-two block linear systems 期刊论文
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 2021, 卷号: 391
Authors:  Liang, Zhao-Zheng;  Zhang, GF(张国凤)
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Iterative method  Chebyshev acceleration  Convergence analysis  Block structured linear system  
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)
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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  
Disentangling the effects of environmental and communities' factors on species' biomass inequality in Qinghai-Tibetan grassland systems 期刊论文
ECOLOGICAL INDICATORS, 2021, 卷号: 122
Authors:  Qi, W(齐威);  Jia, P(贾鹏);  Luo, Shuaiwei;  Kang, Xiaomei;  Du, GZ(杜国祯)
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Abundance  Biotic interaction  'Environment constraint' mechanism  'Resource competition' mechanism  Species diversity  Size inequality  Structural equation model  Qinghai-Tibetan grasslands  
Disentangling the effects of environmental and communities’ factors on species’ biomass inequality in Qinghai-Tibetan grassland systems 期刊论文
Ecological Indicators, 2021, 卷号: 122
Authors:  Qi, W(齐威);  Jia, P(贾鹏);  Luo, Shuaiwei;  Kang, Xiaomei;  Du, GZ(杜国祯)
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Biodiversity  Forestry  Productivity  Soil moisture  Above ground biomass  Critical challenges  Environment constraints  Environmental factors  General linear models  Individual dimensions  Resource competitions  Structural equation models  
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
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Multilinear systems  Tensor-train format  Levenberg-Marquardt (LM) method  The TALM method  
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
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Nonlinear equations  Numerical methods  Tensors  Cubic convergence  Curse of dimensionality  Iterative algorithm  L-m parameters  Local error bound  Marquardt method  Multi-linear systems  Nonsingularity  
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)
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Two-dimensional time-dependent nonlocal problems  Nonsymmetric indefinite systems  Rectangular matrices  Conjugate gradient squares method  Stability and convergence analysis  
Towards Attention-Based Convolutional Long Short-Term Memory for Travel Time Prediction of Bus Journeys 期刊论文
SENSORS, 2020, 卷号: 20, 期号: 12
Authors:  Wu, Jianqing;  Wu, Qiang;  Shen, Jun;  Cai, Chen
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travel time prediction  bus journey  convolutional long short-term memory  attention mechanism  
COF-300的合成及其结晶机理研究 学位论文
, 兰州: 兰州大学, 2020
Authors:  康佳
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共价有机框架  结晶  生长机理  单晶  
一类二乘二分块线性系统的迭代方法研究 学位论文
, 兰州: 兰州大学, 2020
Authors:  胡兆霖
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二乘二分块矩阵  SOR 迭代法  SSOR 迭代法  收敛性分析  最优参数