Výsledky vyhľadávania - "Numerical Algorithms"

FastVPINNs: Tensor-Driven Acceleration of VPINNs for Complex Geometries: FastVPINNs: tensor-driven acceleration of VPINNs for complex geometries

Autori: Thivin Anandh Divij Ghose Himanshu Jain a ďalší

Zdroj: SIAM Journal on Scientific Computing. 47:C578-C600

Predmety: FOS: Computer and information sciences, Computer Science - Machine Learning, Computer Science - Neural and Evolutionary Computing, Numerical Analysis (math.NA), Computer aspects of numerical algorithms, General topics in artificial intelligence, Machine Learning (cs.LG), physics-informed neural networks, Computational Engineering, Finance, and Science (cs.CE), domain decomposition, FOS: Mathematics, Mathematics - Numerical Analysis, Neural and Evolutionary Computing (cs.NE), Numerical methods for partial differential equations, initial value and time-dependent initial-boundary value problems, Computer Science - Computational Engineering, Finance, and Science, Algorithms in computer science, hp-variational physics-informed neural networks, variational physics-informed neural networks

Popis súboru: application/xml

Prístupová URL adresa: http://arxiv.org/abs/2404.12063

Global Convergence of Hessenberg Shifted QR II: Finite Arithmetic: Global convergence of Hessenberg shifted QR. II: Finite arithmetic

Autori: Jess Banks Jorge Garza-Vargas Nikhil Srivastava

Zdroj: SIAM Journal on Matrix Analysis and Applications. 46:1168-1211

Predmety: Numerical computation of eigenvalues and eigenvectors of matrices, Numerical algorithms for computer arithmetic, etc, shifted QR, numerical linear algebra, Ritz values, nonnormality, dynamical systems

Popis súboru: application/xml

Surrogate-Based Autotuning for Randomized Sketching Algorithms in Regression Problems: Surrogate-based autotuning for randomized sketching algorithms in regression problems

Autori: Younghyun Cho James Demmel Michał Dereziński a ďalší

Zdroj: SIAM Journal on Matrix Analysis and Applications, vol 46, iss 2

Predmety: FOS: Computer and information sciences, randomized numerical linear algebra, Computer Science - Machine Learning, Numerical and Computational Mathematics, Numerical solutions to overdetermined systems, pseudoinverses, Computer Science - Artificial Intelligence, Applied Mathematics, autotuning, Randomized algorithms, Numerical & Computational Mathematics, least squares problem, Applied mathematics, 68W20, 65F20, 65Y20, Mathematical Sciences, Machine Learning (cs.LG), Complexity and performance of numerical algorithms, Artificial Intelligence (cs.AI), sketching algorithm, Bayesian optimization

Popis súboru: application/xml; application/pdf

Prístupová URL adresa: http://arxiv.org/abs/2308.15720
https://escholarship.org/uc/item/85s5z8tj
https://escholarship.org/content/qt85s5z8tj/qt85s5z8tj.pdf

Locking-Free Hybrid High-Order Method for Linear Elasticity: Locking-free hybrid high-order method for linear elasticity

Autori: Carsten Carstensen Ngoc Tien Tran

Zdroj: ArXiv e-prints

Predmety: Complexity and performance of numerical algorithms, a posteriori, error estimates, a priori, linear elasticity, FOS: Mathematics, Mathematics - Numerical Analysis, Numerical Analysis (math.NA), Stability and convergence of numerical methods for boundary value problems involving PDEs, Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs, 65N12, 65N30, 65Y20, hybrid high-order

Popis súboru: application/xml

Prístupová URL adresa: http://arxiv.org/abs/2404.02768
https://zbmath.org/8029910
https://doi.org/10.1137/24m1650363

On the Exact Form of V.A. Dykhta’s Feedback Minimum Principle in Nonlinear Control Problems

Autori: N. I. Pogodaev O.N. Samsonjuk M. V. Staritsyn

Zdroj: Известия Иркутского государственного университета: Серия "Математика", Vol 54, Iss 1, Pp 48-63 (2025)

Predmety: optimal control, necessary optimality conditions, feedback control, numerical algorithms, Mathematics, QA1-939

Popis súboru: electronic resource

Relation: https://mathizv.isu.ru/en/article/file?id=1558; https://doaj.org/toc/1997-7670; https://doaj.org/toc/2541-8785

Prístupová URL adresa: https://doaj.org/article/8abc33aae52e484b88d798f141625e00

Towards Megacity-Scale Wind Flow Simulations on Many-Core CPU-Accelerator Systems: Towards megacity-scale wind flow simulations on many-core CPU-accelerator systems

Autori: Lei Xu Qingyang Zhang Kai Lu a ďalší

Zdroj: SIAM Journal on Scientific Computing. 47:B402-B427

Predmety: Numerical algorithms for specific classes of architectures, lattice Boltzmann method, city-wide meteorological micro-scale, heterogeneous parallel computing, Particle methods and lattice-gas methods, high-performance computing, computational wind engineering

Popis súboru: application/xml

Fast Computation of the TGOSPA Metric for Multiple Target Tracking via Unbalanced Optimal Transport

Autori: Nevelius Wernholm, Viktor Wärnsater, Alfred Ringh, Axel

Zdroj: IEEE Control Systems Letters. 9:498-503

Predmety: Measurement, Trajectory, Approximation algorithms, Tensors, Target tracking, Entropy, Computational efficiency, Vectors, Linear programming, Cost function, Estimation, numerical algorithms, optimization, optimization algorithms

Popis súboru: print

Prístupová URL adresa: https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-370543

Exact Formulas for the Increment of the Cost Functional in Optimal Control of Linear Balance Equation

Autori: E. V. Goncharova N. I. Pogodaev M. V. Staritsyn

Zdroj: Известия Иркутского государственного университета: Серия "Математика", Vol 51, Iss 1, Pp 3-20 (2025)

Predmety: feedback control, necessary optimality conditions, optimal control, numerical algorithms, QA1-939, nonlocal balance law, Mathematics

Prístupová URL adresa: https://doaj.org/article/9b2694662e514993840be8340d3942c2
https://doi.org/10.26516/1997-7670.2025.51.3

Experimental investigation and numerical modelling of the cyclic plasticity and fatigue behavior of additively manufactured 316 L stainless steel

Autori: Subasic, M. Ireland, A. Mansour, R. a ďalší

Zdroj: International journal of plasticity. 176

Predmety: A. fatigue, B. anisotropic material, B. elastic-plastic material, Temperature effect, C. Numerical algorithms, Maskinteknik, Mechanical Engineering, Materialteknik, Materials Engineering

Popis súboru: electronic

Prístupová URL adresa: https://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-101612
https://doi.org/10.1016/j.ijplas.2024.103966

A Discontinuous Galerkin Method for Simulating 3D Seismic Wave Propagation in Nonlinear Rock Models: Verification and Application to the Mw 7.8 2015 Gorkha, Nepal Earthquake

Autori: Zihua Niu Alice‐Agnes Gabriel Sebastian Wolf a ďalší

Zdroj: Journal of Geophysical Research: Solid Earth

Predmety: GENERAL, Climate and interannual variability, Numerical modeling, Remote sensing and electromagnetic processes, NATURAL HAZARDS, Atmospheric, Geological, Oceanic, Physical modeling, Spatial modeling, Climate impact, Risk, Disaster risk analysis and assessment, NONLINEAR GEOPHYSICS, Nonlinear waves, shock waves, solitons, OCEANOGRAPHY: PHYSICAL, Air/sea interactions, Decadal ocean variability, Ocean influence of Earth rotation, Sea level: variations and mean, Surface waves and tides, Tsunamis and storm surges, PALEOCEANOGRAPHY, POLICY SCIENCES, Benefit-cost analysis, RADIO SCIENCE, Ionospheric propagation, Radio oceanography, SEISMOLOGY, Earthquake ground motions and engineering seismology, Volcano seismology, SPACE PLASMA PHYSICS, Shock waves, Solitons and solitary waves, STRUCTURAL GEOLOGY, Mechanics, theory, and modeling, VOLCANOLOGY, Volcano/climate interactions, Atmospheric effects, Volcano monitoring, Effusive volcanism, Mud volcanism, Explosive volcanism, Volcanic hazards and risks, Research Article, nonlinear models, numerical algorithm, wave propagation, co-seismic wave speed changes, ground motion, supercomputing [Seismology, ATMOSPHERIC COMPOSITION AND STRUCTURE, Air/sea constituent fluxes, Volcanic effects, BIOGEOSCIENCES, Climate dynamics, Modeling, COMPUTATIONAL GEOPHYSICS, Numerical solutions, ELECTROMAGNETICS, Wave propagation, CRYOSPHERE, Avalanches, Mass balance, GEODESY AND GRAVITY, Ocean monitoring with geodetic techniques, Ocean/Earth/atmosphere/hydrosphere/cryosphere interactions, Global change from geodesy, GLOBAL CHANGE, Abrupt/rapid climate change, Climate variability, Earth system modeling, Impacts of global change, Land/atmosphere interactions, Oceans, Regional climate change, Sea level change, Solid Earth, Water cycles, HYDROLOGY, Climate impacts, Hydrological cycles and budgets, INFORMATICS, High-performance computing, Numerical algorithms, Spatial analysis and representation, IONOSPHERE, MARINE GEOLOGY AND GEOPHYSICS, Gravity and isostasy, MATHEMATICAL GEOPHYSICS, Fourier analysis, Spatial analysis, Spectral analysis, Wavelet transform, ATMOSPHERIC PROCESSES, Climate change and variability, Climatology, General circulation, Ocean/atmosphere interactions, Regional modeling, Theoretical modeling, OCEANOGRAPHY], ddc

Popis súboru: application/pdf

Prístupová URL adresa: https://mediatum.ub.tum.de/1791823

Introduction of modified root finding approaches and their comparative study with existing methods

Autori: Haputhanthrige Hashintha Dilan Kumara Samoshi Shanika Haputhanthrige Sachithra Gayashani a ďalší

Zdroj: Journal of Innovative Applied Mathematics and Computational Sciences, Vol 5, Iss 1 (2025)

Predmety: Modified Root-finding Methods, QA71-90, False-Position Method, Root-finding Techniques, Numerical Algorithms, Bisection method, Probabilities. Mathematical statistics, Instruments and machines, QA273-280

Prístupová URL adresa: https://doaj.org/article/568ffd301b464a8488d760a5f076261f

Lyapunpov Iterations for Linear-Quadratic Differential Games with Assigned Local Behavior

Autori: Possieri, Corrado Sassano, Mario

Zdroj: 2024 32nd Mediterranean Conference on Control and Automation (MED). :500-505

Predmety: Numerical algorithms, Linear systems, Game theory, Optimal control

Popis súboru: application/pdf

Symbolic algorithm for solving SLAEs with multi-diagonal coefficient matrices

Autori: Veneva Milena

Zdroj: Discrete and Continuous Models and Applied Computational Science, Vol 33, Iss 1, Pp 46-56 (2025)

Predmety: numerical analysis, computational methods for sparse matrices, numerical mathematical programming methods, complexity of numerical algorithms, Electronic computers. Computer science, QA75.5-76.95

Popis súboru: electronic resource

Relation: https://journals.rudn.ru/miph/article/viewFile/44732/24876; https://doaj.org/toc/2658-4670; https://doaj.org/toc/2658-7149

Prístupová URL adresa: https://doaj.org/article/f9e3c5410dc44f88b856ee50ce4a6554

Computational aspects of the geometric mean of two matrices: a survey

Autori: Bini D. A. Iannazzo B.

Zdroj: Acta Scientiarum Mathematicarum. 90:349-389

Predmety: Krylov subspaces methods, Matrix geometric mean, Numerical algorithms, Shifted linear systems, Gaussian quadrature, Iterative methods, Primary matrix function, Positive definite matrices

Prístupová URL adresa: https://link.springer.com/article/10.1007/s44146-024-00155-5
https://hdl.handle.net/11391/1580993
https://doi.org/10.1007/s44146-024-00155-5

Iterative schemes for linear equations of the second kind and related inverse problems

Autori: M.I. Berenguer M. Ruiz Galán

Zdroj: Digibug. Repositorio Institucional de la Universidad de Granada
Universidad de Granada (UGR)

Predmety: Inverse problems, Numerical algorithms, Linear Volterra integral equation

Prístupová URL adresa: https://hdl.handle.net/10481/92917

Multidimensional scaling for big data

Autori: Delicado Useros, Pedro Francisco Pachón García, Cristian Universitat Politècnica de Catalunya. Departament d'Estadística i Investigació Operativa a ďalší

Prispievatelia: Delicado Useros, Pedro Francisco Pachón García, Cristian Universitat Politècnica de Catalunya. Departament d'Estadística i Investigació Operativa a ďalší

Zdroj: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)

Predmety: FOS: Computer and information sciences, Àrees temàtiques de la UPC::Matemàtiques i estadística, Procrustes transformation, Landmark MDS, Classificació AMS::62 Statistics::62H Multivariate analysis, 0102 computer and information sciences, 02 engineering and technology, Statistics - Computation, 01 natural sciences, Computational efficiency, Divide and conquer, 0202 electrical engineering, electronic engineering, information engineering, Pivot MDS, 0101 mathematics, 62H99, 65Y20, Gower's interpolation formula, Classificació AMS::65 Numerical analysis::65Y Computer aspects of numerical algorithms, Computation (stat.CO)

Popis súboru: application/pdf

Prístupová URL adresa: http://arxiv.org/abs/2007.11919
https://hdl.handle.net/2117/406787
https://doi.org/10.1007/s11634-024-00591-9

Expert system supporting automatic risk classification and management in idiopathic membranous nephropathy based on rule sets and machine learning

Autori: Dawid Pawuś Szczepan Paszkiel Tomasz Porażko

Zdroj: Biomedical Signal Processing and Control. 109:107989

Predmety: Artificial intelligence, Membranous nephropathy, Biomedical analysis, Numerical algorithms, Automation system, Machine learning, Practical approach, Classification, Expert system, Algorithms in nephrology

Prístupová URL adresa: https://www.sciencedirect.com/science/article/pii/S1746809425005002
https://doi.org/10.1016/j.bspc.2025.107989

KSSOLV 2.0: An efficient MATLAB toolbox for solving the Kohn-Sham equations with plane-wave basis set

Autori: Jiao, Shizhe Zhang, Zhenlin Wu, Kai a ďalší

Zdroj: Computer Physics Communications. 279

Predmety: 46 Information and Computing Sciences (for-2020), 4601 Applied Computing (for-2020), Kohn -Sham solver, MATLAB, Plane -wave basis set, Density functional theory, Numerical algorithms, 01 Mathematical Sciences (for), 02 Physical Sciences (for), 08 Information and Computing Sciences (for), Nuclear & Particles Physics (science-metrix), 46 Information and computing sciences (for-2020), 49 Mathematical sciences (for-2020), 51 Physical sciences (for-2020)

Popis súboru: application/pdf

Prístupová URL adresa: https://escholarship.org/uc/item/1sw682g6
https://escholarship.org/content/qt1sw682g6/qt1sw682g6.pdf

Numerical approaches for non-local transport-dominated PDE models with applications to biology

Autori: Johan Marguet Raluca Eftimie Alexei Lozinski

Zdroj: Computational and Applied Mathematics. 44

Predmety: Complexity and performance of numerical algorithms, non-local models, Research exposition (monographs, survey articles) pertaining to numerical analysis, FOS: Mathematics, finite elements, Mathematics - Numerical Analysis, Numerical Analysis (math.NA), Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs, Computational methods for problems pertaining to biology, Numerical methods for integral equations, integral transforms, biology and ecology, numerical approaches

Popis súboru: application/xml

Prístupová URL adresa: http://arxiv.org/abs/2505.00708

Flow of Power Law Fluids in Tubes of Elliptical Cross Sections

Autori: Sochi, Taha

Predmety: flow velocity profile, fluid mechanics, Newtonian fluids, numerical algorithms, fluid dynamics, non-Newtonian fluids, shear thickening, volumetric flow rate, Power law fluids, shear thinning, analytical expressions, rheology, stress function, flow in elliptical tubes