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An extreme bias-penalized forecast combination approach to commodity price forecasting 期刊论文
INFORMATION SCIENCES, 2022, 卷号: 615, 页码: 774-793
作者:  Zhang, Yifei;  Wang, Jue;  Yu, Lean;  Wang, Shouyang
收藏  |  浏览/下载:67/0  |  提交时间:2023/02/07
Forecast combination  Elastic net  Extreme bias  Weight-sparsity  Artificial bee colony algorithm  
A line search penalty-free SQP method for equality-constrained optimization without Maratos effect 期刊论文
IMA JOURNAL OF NUMERICAL ANALYSIS, 2022, 卷号: 42, 期号: 4, 页码: 3771-3802
作者:  Chen, Zhongwen;  Dai, Yu-Hong;  Zhang, Tauyou
收藏  |  浏览/下载:61/0  |  提交时间:2023/02/07
Understanding the acceleration phenomenon via high-resolution differential equations 期刊论文
MATHEMATICAL PROGRAMMING, 2022, 卷号: 195, 期号: 1-2, 页码: 79-148
作者:  Shi, Bin;  Du, Simon S.;  Jordan, Michael, I;  Su, Weijie J.
收藏  |  浏览/下载:73/0  |  提交时间:2023/02/07
Convex optimization  First-order method  Polyak's heavy ball method  Nesterov's accelerated gradient methods  Ordinary differential equation  Lyapunov function  Gradient minimization  
The augmented lagrangian method can approximately solve convex optimization with least constraint violation 期刊论文
MATHEMATICAL PROGRAMMING, 2022, 页码: 35
作者:  Dai, Yu-Hong;  Zhang, Liwei
收藏  |  浏览/下载:108/0  |  提交时间:2023/02/07
Convex optimization  Least constraint violation  Augmented Lagrangian method  Shifted problem  Optimal value mapping  Solution mapping  Dual function  Conjugate dual  
Study on convex optimization with least constraint violation under a general measure 期刊论文
OPTIMIZATION, 2022, 页码: 32
作者:  Dai, Yu-Hong;  Zhang, Liwei
收藏  |  浏览/下载:184/0  |  提交时间:2023/02/07
Convex optimization  measure function  least constraint violation  augmented Lagrangian method  shifted problem  
Approximation algorithms for solving the line-capacitated minimum Steiner tree problem 期刊论文
JOURNAL OF GLOBAL OPTIMIZATION, 2022, 页码: 28
作者:  Li, Jianping;  Wang, Wencheng;  Lichen, Junran;  Liu, Suding;  Pan, Pengxiang
收藏  |  浏览/下载:77/0  |  提交时间:2023/02/07
Combinatorial optimization  Locations of lines  Line-capacitated Steiner trees  Approximation algorithms  Exact algorithms  
Sufficient conditions for existence of global minimizers of functions on Hilbert spaces 期刊论文
JOURNAL OF GLOBAL OPTIMIZATION, 2022, 页码: 11
作者:  Chen, Liang;  Dai, Yu-Hong;  Wei, Zhou
收藏  |  浏览/下载:133/0  |  提交时间:2022/04/02
Sufficient condition  Global minmizer  Primal-lower-nice  Subdifferential evolution problem  Palais-Smale condition  
On the acceleration of the Barzilai-Borwein method 期刊论文
COMPUTATIONAL OPTIMIZATION AND APPLICATIONS, 2022, 页码: 24
作者:  Huang, Yakui;  Dai, Yu-Hong;  Liu, Xin-Wei;  Zhang, Hongchao
收藏  |  浏览/下载:145/0  |  提交时间:2022/04/02
Barzilai-Borwein method  Gradient methods  Finite termination  Quadratic optimization  
On the Asymptotic Convergence and Acceleration of Gradient Methods 期刊论文
JOURNAL OF SCIENTIFIC COMPUTING, 2022, 卷号: 90, 期号: 1, 页码: 29
作者:  Huang, Yakui;  Dai, Yu-Hong;  Liu, Xin-Wei;  Zhang, Hongchao
收藏  |  浏览/下载:181/0  |  提交时间:2022/04/02
Gradient methods  Asymptotic convergence  Spectral property  Acceleration of gradient methods  Barzilai-Borwein method  Unconstrained optimization  Quadratic optimization  
Learning with smooth Hinge losses 期刊论文
NEUROCOMPUTING, 2021, 卷号: 463, 页码: 379-387
作者:  Luo, JunRu;  Qiao, Hong;  Zhang, Bo
收藏  |  浏览/下载:121/0  |  提交时间:2022/04/02
Smooth Hinge loss  Convex surrogate loss  Support vector machine  Trust region Newton method