Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Xiankui Wu"'
Publikováno v:
AIMS Mathematics, Vol 7, Iss 5, Pp 9405-9423 (2022)
In this paper, we first investigate optimal control problem for semilinear parabolic and introduce the standard $ L^2(\Omega) $-orthogonal projection and the elliptic projection. Then we present some necessary intermediate variables and their error e
Externí odkaz:
https://doaj.org/article/fdde93cc5c80404eb18c9cd0e6c8a6af
Publikováno v:
AIMS Mathematics, Vol 7, Iss 4, Pp 5220-5240 (2022)
In this paper, we investigate the spectral element approximation for the optimal control problem of parabolic equation, and present a hp spectral element approximation scheme for the parabolic optimal control problem. For improve the accuracy of the
Externí odkaz:
https://doaj.org/article/759414993feb4072a710a7238c326a6e
Publikováno v:
Ecological Indicators, Vol 145, Iss , Pp 109596- (2022)
Basin water pollution control problem has become a real and serious challenge to build an environment-friendly and resource-conserving society. Since the water environment is quasi-public property, regional cooperation across upstream and downstream
Externí odkaz:
https://doaj.org/article/9e2ad8eb9f094f11a1d5f05e0b9de7cc
Publikováno v:
AIMS Mathematics, Vol 6, Iss 8, Pp 8585-8599 (2021)
This paper discusses some a priori error estimates of bilinear elliptic optimal control problems based on the finite volume element approximation. A case-based numerical example serves to discuss with optimal $ L^2 $-norm error estimates and $ L^{\in
Externí odkaz:
https://doaj.org/article/c6a4fb205f8d4da28570318547f80745
Publikováno v:
AIMS Mathematics, Vol 6, Iss 9, Pp 9510-9535 (2021)
This paper investigates the adaptive finite element method for an optimal control problem governed by a bilinear elliptic equation. We establish the finite element discrete scheme for the bilinear optimal control problem and use a dual argument, line
Externí odkaz:
https://doaj.org/article/51bbf2de69474c52b7393a346e4ce4b1
Publikováno v:
Journal of Numerical Mathematics. 30:23-42
With the climate change processes over times, all professions and trades in Three Gorges Reservoir Area will be influenced. One of the biggest challenges is the risk of rising sea level. In this situation, a large number of uncertainties for climate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e653b74326818e67c2012f0aaf2fb496
https://doi.org/10.1515/jnma-2020-0081
https://doi.org/10.1515/jnma-2020-0081
Publikováno v:
AIMS Mathematics, Vol 6, Iss 8, Pp 8585-8599 (2021)
This paper discusses some a priori error estimates of bilinear elliptic optimal control problems based on the finite volume element approximation. A case-based numerical example serves to discuss with optimal $ L^2 $-norm error estimates and $ L^{\in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::decb89c2c1da4565d8d4c807fceaac31
https://doi.org/10.3934/math.2021498
https://doi.org/10.3934/math.2021498
Publikováno v:
Electronic Research Archive. 28:1459-1486
This paper aims at investigating the convergence and quasi- optimality of an adaptive finite element method for control constrained nonlinear elliptic optimal control problems. We derive a posteriori error estimation for both the control, the state a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3fb65f2133ab64c9997bb805d5035203
https://doi.org/10.3934/era.2020077
https://doi.org/10.3934/era.2020077
Publikováno v:
Sustainability
Volume 13
Issue 20
Sustainability, Vol 13, Iss 11255, p 11255 (2021)
Volume 13
Issue 20
Sustainability, Vol 13, Iss 11255, p 11255 (2021)
This paper investigates an empirical evaluation of water management on agricultural irrigation. To address this problem, a real options model was proposed. This model analysis the choice of investment in water savings. Also, the model discusses a lin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::239c8cd9ca086299b972b2054aa033b2