CSpace

浏览/检索结果: 共14条,第1-10条 帮助

限定条件    
已选(0)清除 条数/页:   排序方式:
A Minibatch Proximal Stochastic Recursive Gradient Algorithm Using a Trust-Region-Like Scheme and Barzilai-Borwein Stepsizes 期刊论文
IEEE TRANSACTIONS ON NEURAL NETWORKS AND LEARNING SYSTEMS, 2021, 卷号: 32, 期号: 10, 页码: 4627-4638
作者:  Yu, Tengteng;  Liu, Xin-Wei;  Dai, Yu-Hong;  Sun, Jie
收藏  |  浏览/下载:117/0  |  提交时间:2022/04/02
Convergence  Convex functions  Risk management  Gradient methods  Learning systems  Sun  Barzilai-Borwein (BB) method  empirical risk minimization (ERM)  proximal method  stochastic gradient  trust-region  
OPTIMAL MODEL AVERAGING BASED ON GENERALIZED METHOD OF MOMENTS 期刊论文
STATISTICA SINICA, 2021, 卷号: 31, 期号: 4, 页码: 2103-2122
作者:  Zhang, Xinyu
收藏  |  浏览/下载:126/0  |  提交时间:2022/04/02
Asymptotic optimality  consistency  generalized method of moments  model averaging  
Social media sentiment, model uncertainty, and volatility forecasting 期刊论文
ECONOMIC MODELLING, 2021, 卷号: 102, 页码: 13
作者:  Lehrer, Steven;  Xie, Tian;  Zhang, Xinyu
收藏  |  浏览/下载:104/0  |  提交时间:2021/10/26
Model averaging  Volatility forecasting  Social media  Big data  Sentiment analysis  
A PRIMAL-DUAL ALGORITHM FOR UNFOLDING NEUTRON ENERGY SPECTRUM FROM MULTIPLE ACTIVATION FOILS 期刊论文
JOURNAL OF INDUSTRIAL AND MANAGEMENT OPTIMIZATION, 2021, 卷号: 17, 期号: 5, 页码: 2367-2387
作者:  Dai, Yu-Hong;  Wang, Zhouhong;  Xu, Fengmin
收藏  |  浏览/下载:119/0  |  提交时间:2022/04/02
Boltzmann's entropy  ill-condition  interior point algorithm  analytic center  neutron spectrum unfolding  numerical stability  
H2-Korn's Inequality and the Nonconforming Elements for The Strain Gradient Elastic Model 期刊论文
JOURNAL OF SCIENTIFIC COMPUTING, 2021, 卷号: 88, 期号: 3, 页码: 23
作者:  Li, Hongliang;  Ming, Pingbing;  Wang, Huiyu
收藏  |  浏览/下载:108/0  |  提交时间:2022/04/02
Strain gradient elasticity  H2-Korn's  Robust finite elements  
Multimodel inference based on smoothed information criteria 期刊论文
SCIENCE CHINA-MATHEMATICS, 2021, 页码: 16
作者:  Zhao, Shangwei;  Zhang, Xinyu
收藏  |  浏览/下载:131/0  |  提交时间:2021/10/26
information criterion  model averaging  multimodel inference  variance estimation  weight  
Model averaging prediction for time series models with a diverging number of parameters 期刊论文
JOURNAL OF ECONOMETRICS, 2021, 卷号: 223, 期号: 1, 页码: 190-221
作者:  Liao, Jun;  Zou, Guohua;  Gao, Yan;  Zhang, Xinyu
收藏  |  浏览/下载:133/0  |  提交时间:2021/10/26
Asymptotic optimality  Autoregressive process  Consistency  Mallows criterion  Model averaging  
Time-varying model averaging? 期刊论文
JOURNAL OF ECONOMETRICS, 2021, 卷号: 222, 期号: 2, 页码: 974-992
作者:  Sun, Yuying;  Hong, Yongmiao;  Lee, Tae-Hwy;  Wang, Shouyang;  Zhang, Xinyu
收藏  |  浏览/下载:165/0  |  提交时间:2021/06/01
Asymptotic optimality  Forecast combination  Local stationarity  Model averaging  Structural change  Time-varying model averaging  
Deep Nitsche Method: Deep Ritz Method with Essential Boundary Conditions 期刊论文
COMMUNICATIONS IN COMPUTATIONAL PHYSICS, 2021, 卷号: 29, 期号: 5, 页码: 1365-1384
作者:  Liao, Yulei;  Ming, Pingbing
收藏  |  浏览/下载:155/0  |  提交时间:2021/06/01
Deep Nitsche Method  Deep Ritz Method  neural network approximation  mixed boundary conditions  curse of dimensionality  
Stochastic Variance Reduced Gradient Methods Using a Trust-Region-Like Scheme 期刊论文
JOURNAL OF SCIENTIFIC COMPUTING, 2021, 卷号: 87, 期号: 1, 页码: 24
作者:  Yu, Tengteng;  Liu, Xin-Wei;  Dai, Yu-Hong;  Sun, Jie
收藏  |  浏览/下载:165/0  |  提交时间:2021/04/26
Stochastic variance reduced gradient  Trust region  Barzilai-Borwein stepsizes  Mini-batches  Empirical risk minimization  90C06  90C30  90C90  90C25