Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Zhen-Ping Yang"'
Autor:
Ai-xia REN, Min SUN, Pei-ru WANG, Ling-zhu XUE, Miao-miao LEI, Jian-fu XUE, Zhi-qiang GAO, Zhen-ping YANG
Publikováno v:
Journal of Integrative Agriculture, Vol 18, Iss 1, Pp 33-42 (2019)
Sowing date and seeding rate are critical for productivity of winter wheat (Triticum aestivum L.). A three-year field experiment was conducted with three sowing dates (20 September (SD1), 1 October (SD2), and 10 October (SD3)) and three seeding rates
Externí odkaz:
https://doaj.org/article/a376d9d285154eed88400d645ca5262c
Publikováno v:
Journal of Integrative Agriculture, Vol 17, Iss 4, Pp 817-825 (2018)
Soil moisture is the most critical limiting factor impacting yields of dryland winter wheat (Triticum aestivum L.) and it is strongly affected by tillage practice and sowing methods. This study was to assess the link between sowing method and tillage
Externí odkaz:
https://doaj.org/article/66d838dc96d74b00a3ad6b6a31e8242f
Publikováno v:
Journal of Integrative Agriculture, Vol 16, Iss 11, Pp 2612-2622 (2017)
Shortages and fluctuations in precipitation are influential limiting factors for the sustainable cultivation of rain-fed winter wheat on the Loess Plateau of China. Plastic film mulching is one of the most effective water management practices to impr
Externí odkaz:
https://doaj.org/article/bb972bcdd1e74f3b9b6bd1a36effef18
Publikováno v:
Journal of Inequalities and Applications, Vol 2017, Iss 1, Pp 1-21 (2017)
Abstract In this paper, we present a QP-free algorithm for nonlinear semidefinite programming. At each iteration, the search direction is yielded by solving two systems of linear equations with the same coefficient matrix; l 1 $l_{1}$ penalty functio
Externí odkaz:
https://doaj.org/article/ebcd8666d9f94c3398e56e1c7b6f1048
Autor:
Zhen-Ping Yang, Gui-Hua Lin
Publikováno v:
Journal of Optimization Theory and Applications. 190:393-427
In the study of stochastic variational inequalities, the extragradient algorithms attract much attention. However, such schemes require two evaluations of the expected mapping at each iteration in general. In this paper, we present several variance-b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4cc0adebd09638e9de2141d91ace2115
https://doi.org/10.1007/s10957-021-01882-3
https://doi.org/10.1007/s10957-021-01882-3
Publikováno v:
Acta Mathematicae Applicatae Sinica, English Series. 36:714-736
In this paper, we present a QP-free algorithm without a penalty function or a filter for nonlinear semideflnite programming. At each iteration, two systems of linear equations with the same coefficient matrix are solved to determine search direction;
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5529dba9896bdde96417b8375edc182e
https://doi.org/10.1007/s10255-020-0964-x
https://doi.org/10.1007/s10255-020-0964-x
Publikováno v:
Journal of Scientific Computing. 89
In this paper, we propose a variance-based subgradient extragradient algorithm with line search for stochastic variational inequality problems by aiming at robustness with respect to an unknown Lipschitz constant. This algorithm may be regarded as an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6a49457c54803210c2fc70ec508b02ac
https://doi.org/10.1007/s10915-021-01603-y
https://doi.org/10.1007/s10915-021-01603-y
Publikováno v:
Journal of Optimization Theory and Applications. 183:1053-1076
In this paper, we consider a stochastic variational inequality, in which the mapping involved is an expectation of a given random function. Inspired by the work of He (Appl Math Optim 35:69–76, 1997) and the extragradient method proposed by Iusem e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b39e9edf7791e321dba7ff80f50dca13
https://doi.org/10.1007/s10957-019-01578-9
https://doi.org/10.1007/s10957-019-01578-9
Publikováno v:
Journal of Computational and Applied Mathematics. 352:382-400
This paper considers a class of stochastic complementarity problems (SCP). Different from the classical complementarity problems, the SCP contains a mathematical expectation, which may not be evaluated in an explicit form in general. We combine an in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d6068a6bec22ddd573fa1d6f5190afe2
https://doi.org/10.1016/j.cam.2018.12.013
https://doi.org/10.1016/j.cam.2018.12.013
Autor:
Zhen-Ping Yang, Gui-Hua Lin
Publikováno v:
Journal of Computational and Applied Mathematics. 408:114132
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::806cd9c2c442c48a4031d09e8b327401
https://doi.org/10.1016/j.cam.2022.114132
https://doi.org/10.1016/j.cam.2022.114132