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检索条件"机构=The Department of Mathematics and Program in Applied and Computational Mathematics"
7098 条 记 录,以下是501-510 订阅
排序:
An expectation-maximization algorithm for continuous-time hidden Markov models
arXiv
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arXiv 2021年
作者: Wang, Qingcan Weinan, E. Program in Applied and Computational Mathematics Princeton University United States Department of Mathematics and Program in Applied and Computational Mathematics Princeton University United States
We propose a unified framework that extends the inference methods for classical hidden Markov models to continuous settings, where both the hidden states and observations occur in continuous time. Two different settin... 详细信息
来源: 评论
Discontinuous Galerkin Approximations to Elliptic and Parabolic Problems with a Dirac Line Source
arXiv
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arXiv 2022年
作者: Masri, Rami Shen, Boqian Riviere, Beatrice Department of Computational and Applied Mathematics Rice University United States
The analyses of interior penalty discontinuous Galerkin methods of any order k for solving elliptic and parabolic problems with Dirac line sources are presented. For the steady state case, we prove convergence of the ... 详细信息
来源: 评论
Rod system destruction in the elastoplastic formulation of the problem
Rod system destruction in the elastoplastic formulation of t...
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2020 International Conference on applied mathematics, computational Science and Mechanics: Current Problems, AMCSM 2020
作者: Kopteltseva, O.U. Markin, A.A. Department of Computational Mechanics and Mathematics Institute of Applied Mathematics and Computer Sciences Tula State University 92 Lenin Avenue Tula300012 Russia
A statically indeterminate system consisting of rods which are prescribed in the initial state by unit vectors is considered. The basic equations of balance and equilibrium are presented in dimensionless form until th... 详细信息
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Intrinsic statistical separation of subpopulations in heterogeneous collective motion via dimensionality reduction
arXiv
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arXiv 2023年
作者: Tan, Pei Miles, Christopher E. Mathematical Computational and Systems Biology Graduate Program Department of Mathematics University of California Irvine United States
Collective motion of locally interacting agents is found ubiquitously throughout nature. The inability to probe individuals has driven longstanding interest in the development of methods for inferring the underlying i...
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GRASSMANNIAN OPTIMIZATION IS NP-HARD
arXiv
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arXiv 2024年
作者: Lai, Zehua Lim, Lek-Heng Ye, Ke Department of Mathematics University of Texas AustinTX78712 United States Computational and Applied Mathematics Initiative Department of Statistics University of Chicago ChicagoIL60637 United States KLMM Academy of Mathematics and Systems Science Chinese Academy of Sciences Beijing100190 China
We show that unconstrained quadratic optimization over a Grassmannian Gr(k, n) is NP-hard. Our results cover all scenarios: (i) when k and n are both allowed to grow;(ii) when k is arbitrary but fixed;(iii) when k is ... 详细信息
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Entropy generation analysis of unsteady MHD nanofluid flow in a porous pipe
International Journal of Thermofluids
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International Journal of Thermofluids 2024年 24卷
作者: Zahor, Feda A. Jain, Reema Ali, Ahmada O. Masanja, Verdiana Grace Department of Applied Mathematics and Computational Sciences Nelson Mandela African Institution of Science and Technology P.O. Box 447 Arusha Tanzania United Republic of Department of Computer Systems and Mathematics Ardhi University P.O. Box 35176 Dar-es-Salam Tanzania United Republic of Department of Mathematics and Statistics University Jaipur India
This article presents a numerical investigation into the entropy production of nanofluids flowing through a porous medium in a permeable conduit, focusing on water-based solutions containing Titanium Carbide (TiC) and... 详细信息
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A deep neural network based surrogate model for damage identification in full-scale structures with incomplete noisy measurements
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Frontiers of Structural and Civil Engineering 2024年 第3期18卷 393-410页
作者: Tram BUI-NGOC Duy-Khuong LY Tam T TRUONG Chanachai THONGCHOM T.NGUYEN-THOI Laboratory for Computational Mechanics Institute for Computational Science and Artificial IntelligenceVan Lang UniversityHo Chi Minh City 70000Vietnam Faculty of Mechanical-Electrical and Computer Engineering School of TechnologyVan Lang UniversityHo Chi Minh City 70000Vietnam Faculty of Civil Engineering School of TechnologyVan Lang UniversityHo Chi Minh City 70000Vietnam Department of Computer Science Aarhus UniversityAarhus 8000Denmark Thammasat University research unit in structural and foundation engineering Department of Civil EngineeringThammasat UniversityPathumthani 12120Thailand Laboratory for Applied and Industrial Mathematics Institute for Computational Science and Artificial IntelligenceVan Lang UniversityHo Chi Minh City 70000Vietnam Thammasat School of Engineering Thammasat UniversityPathumthani 12120Thailand
The paper introduces a novel approach for detecting structural damage in full-scale structures using surrogate models generated from incomplete modal data and deep neural networks(DNNs).A significant challenge in this... 详细信息
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Neural Cryptography with Fog Computing Network for Health Monitoring Using IoMT
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Computer Systems Science & Engineering 2023年 第1期44卷 945-959页
作者: G.Ravikumar K.Venkatachalam Mohammed A.AlZain Mehedi Masud Mohamed Abouhawwash Department of Computer Science and Engineering Coimbatore Institute of Engineering and TechnologyCoimbatore641109India Department of Applied Cybernetics Faculty of ScienceUniversity of Hradec Králové50003Hradec KrálovéCzech Republic Department of Information Technology College of Computers and Information TechnologyTaif UniversityP.O.Box 11099Taif21944Saudi Arabia Department of Computer Science College of Computers and Information TechnologyTaif UniversityP.O.Box 11099Taif21944Saudi Arabia Department of Mathematics Faculty of ScienceMansoura UniversityMansoura35516Egypt Department of Computational Mathematics Scienceand Engineering(CMSE)Michigan State UniversityEast LansingMI48824USA
Sleep apnea syndrome(SAS)is a breathing disorder while a person is *** traditional method for examining SAS is Polysomnography(PSG).The standard procedure of PSG requires complete overnight observation in a *** typica... 详细信息
来源: 评论
MINIMAL EQUIVARIANT EMBEDDINGS OF THE GRASSMANNIAN AND FLAG MANIFOLD
arXiv
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arXiv 2024年
作者: Lim, Lek-Heng Ye, Ke Computational and Applied Mathematics Initiative Department of Statistics University of Chicago ChicagoIL60637-1514 United States KLMM Academy of Mathematics and Systems Science Chinese Academy of Sciences Beijing100190 China
We show that the flag manifold Flag(k1, ..., kp, n), with Grassmannian the special case p = 1, has an SOn()-equivariant embedding in an Euclidean space of dimension (n − 1)(n + 2)/2, two orders of magnitude below the ... 详细信息
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Can Efficient Fourier-Transform Techniques Favorably Impact on Broadband computational Electromagnetism?
arXiv
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arXiv 2024年
作者: Anderson, Thomas G. Lyon, Mark Yin, Tao Bruno, Oscar P. Department of Computational Applied Mathematics and Operations Research Rice University Houston77098 United States Department of Mathematics & Statistics University of New Hampshire Durham03824 United States LSEC Institute of Computational Mathematics and Scientific/Engineering Computing Academy of Mathematics and Systems Science Chinese Academy of Sciences Beijing100190 China Department of Computing and Mathematical Sciences California Institute of Technology Pasadena91125 United States
In view of recently demonstrated joint use of novel Fourier-transform techniques and effective high-accuracy frequency domain solvers related to the Method of Moments, it is argued that a set of trans-formative innova... 详细信息
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