Výsledky vyhľadávania - Sparse expansions into eigenfunctions of linear operators

The Generalized Operator Based Prony Method.

Autori: Stampfer, Kilian Plonka, Gerlind

Zdroj: Constructive Approximation. Oct2020, Vol. 52 Issue 2, p247-282. 36p.

Predmety: *PRONY analysis, *EIGENFUNCTION expansions, *FUNCTIONALS, *EIGENFUNCTIONS, *PARAMETER identification, *POLYNOMIAL chaos

The Generalized Operator Based Prony Method

Autori: Stampfer, Kilian Plonka-Hoch, Gerlind Prof. Dr. Kunis, Stefan Prof. Dr.

Prispievatelia: Stampfer, Kilian Plonka-Hoch, Gerlind Prof. Dr. Kunis, Stefan Prof. Dr.

Predmety: generalized Prony method, exponential operators, sparse expansions into eigenfunctions of linear operators, parameter identification, generalized sampling, Mathematics (PPN61756535X)

Time: 510

Dostupnosť: http://hdl.handle.net/11858/00-1735-0000-002E-E631-3
https://doi.org/10.53846/goediss-7406
https://nbn-resolving.org/urn:nbn:de:gbv:7-11858/00-1735-0000-002E-E631-3-3

Reconstruction of stationary and non-stationary signals by the generalized Prony method.

Autori: Plonka, Gerlind Stampfer, Kilian Keller, Ingeborg

Zdroj: Analysis & Applications; Mar2019, Vol. 17 Issue 2, p179-210, 32p

Predmety: SIGNAL reconstruction, HILBERT-Huang transform, PRONY analysis

A generalized Prony method for reconstruction of sparse sums of eigenfunctions of linear operators.

Autori: Peter, Thomas Plonka, Gerlind

Zdroj: Inverse Problems; Feb2013, Vol. 29 Issue 2, p025001-025021, 21p

Predmety: PRONY analysis, EIGENFUNCTIONS, LINEAR operators, EXPONENTIAL sums, ORTHOGONAL polynomials

Modifications of Prony's Method for the Recovery and Sparse Approximation of Generalized Exponential Sums

Autori: Keller, Ingeborg Plonka, Gerlind

Témy: Mathematics - Numerical Analysis, 41A30, 94A12, G.1.2, text

URL: http://arxiv.org/abs/2001.03651

Physics–Informed Neural Network With Enhanced Parameter–State Coupling for Inverse Modeling of Unsaturated Flow in Heterogeneous Soils.

Autori: Gong, Xuezi Zha, Yuanyuan

Zdroj: Water Resources Research; Sep2025, Vol. 61 Issue 9, p1-35, 35p

Predmety: DATA assimilation, UNCERTAINTY (Information theory), HYDRAULIC models, MISSING data (Statistics), SOIL profiles

Modifications of Prony's Method for the Reconstruction of Structured Functions

Autori: Keller, Ingeborg Marlen Plonka-Hoch, Gerlind Prof. Dr. Prestin, Jürgen Prof. Dr.

Prispievatelia: Keller, Ingeborg Marlen Plonka-Hoch, Gerlind Prof. Dr. Prestin, Jürgen Prof. Dr.

Predmety: Prony method, generalized Prony method, parameter identification, reconstruction of generalized exponential expansions, reconstruction of sparse expansions into orthogonal polynomials, generalized exponential sums, generating functions, signal processing, Mathematics (PPN61756535X)

Time: 510

Dostupnosť: http://hdl.handle.net/21.11130/00-1735-0000-0008-59C9-2
https://doi.org/10.53846/goediss-9020
https://nbn-resolving.org/urn:nbn:de:gbv:7-21.11130/00-1735-0000-0008-59C9-2-4

Bragg Resonance of Water Waves by Multiple Permeable Thin Barriers over Periodic Breakwaters.

Autori: Tran, Chang-Thi Lin, Chitsan Tsai, Chia-Cheng

Zdroj: Water (20734441); Feb2023, Vol. 15 Issue 3, p495, 24p

Predmety: WATER waves, SEA-walls, BREAKWATERS, MULTIPLE scattering (Physics), SCATTERING (Physics), RESONANCE

Enhancing inverse modeling in groundwater systems through machine learning: a comprehensive comparative study.

Autori: Chen, Junjun Dai, Zhenxue Yin, Shangxian a ďalší

Zdroj: Hydrology & Earth System Sciences; 2025, Vol. 29 Issue 17, p4251-4279, 29p

Gaussian Markov transition models of molecular kinetics.

Autori: Hao Wu Noé, Frank

Zdroj: Journal of Chemical Physics; 2015, Vol. 142 Issue 8, p1-9, 9p, 1 Diagram, 3 Graphs

Predmety: GAUSSIAN mixture models, PHASE transitions, MATHEMATICAL models, MOLECULAR kinetics, MOLECULAR dynamics, MARKOV processes, EIGENFUNCTIONS

Linearization, model reduction and reachability in nonlinear odes.

Autori: Boreale, Michele Collodi, Luisa

Zdroj: Formal Methods in System Design; Sep2025, Vol. 66 Issue 3, p419-454, 36p

Predmety: NONLINEAR differential equations, REDUCED-order models, TAYLOR'S series, LINEAR operators, KRYLOV subspace, APPROXIMATION error, CARLEMAN theorem

Functional structural equation model.

Autori: Lee, Kuang‐Yao Li, Lexin

Zdroj: Journal of the Royal Statistical Society: Series B (Statistical Methodology); Apr2022, Vol. 84 Issue 2, p600-629, 30p

Predmety: FUNCTIONAL equations, RANDOM numbers, LINEAR operators, OPERATOR functions

Iterative Matrix Techniques Based on Averages.

Autori: Navascués, María A.

Zdroj: Algorithms; Jul2025, Vol. 18 Issue 7, p439, 20p

Predmety: MATRICES (Mathematics), EIGENVALUES, LINEAR systems, MACHINE learning, NUMERICAL analysis, ORTHOGONAL polynomials, FREDHOLM equations, ITERATIVE methods (Mathematics)

Bias in the Representative Volume Element method: Periodize the Ensemble Instead of Its Realizations.

Autori: Clozeau, Nicolas Josien, Marc Otto, Felix a ďalší

Zdroj: Foundations of Computational Mathematics; Aug2024, Vol. 24 Issue 4, p1305-1387, 83p

Predmety: MALLIAVIN calculus, ELLIPTIC operators, LINEAR operators, PRICES, CALCULUS

On the low-frequency dynamics of turbulent separation bubbles.

Autori: Cura, C. Hanifi, A. Cavalieri, A.V.G. a ďalší

Zdroj: Journal of Fluid Mechanics; 8/20/2024, Vol. 991, p1-39, 39p

Predmety: BOUNDARY layer separation, MOTION capture (Human mechanics), LINEAR operators, SPECTRAL sensitivity, FLOW separation

Analysis of parametric models: Linear methods and approximations.

Autori: Matthies, Hermann G. Ohayon, Roger

Zdroj: Advances in Computational Mathematics; Dec2019, Vol. 45 Issue 5/6, p2555-2586, 32p

Predmety: PARAMETRIC modeling, VECTOR spaces, TENSOR products, LINEAR operators, SPARSE approximations, PROPER orthogonal decomposition, ORTHOGONAL decompositions

Flooding and Overflow Mitigation Using Deep Reinforcement Learning Based on Koopman Operator of Urban Drainage Systems.

Autori: Tian, Wenchong Liao, Zhenliang Zhang, Zhiyu a ďalší

Zdroj: Water Resources Research; Jul2022, Vol. 58 Issue 7, p1-29, 29p

Predmety: REINFORCEMENT learning, URBANIZATION, DEEP learning, REAL-time control, FLOODS, WATER management

Geografický termín: CHINA

A STRUCTURE PRESERVING SHIFT-INVERT INFINITE ARNOLDI ALGORITHM FOR A CLASS OF DELAY EIGENVALUE PROBLEMS WITH HAMILTONIAN SYMMETRY.

Autori: APPELTANS, PIETER MICHIELS, WIM

Zdroj: SIAM Journal on Matrix Analysis & Applications; 2023, Vol. 44 Issue 1, p331-358, 28p

Predmety: EIGENVALUES, LINEAR operators, LINEAR algebra, KRYLOV subspace, FUNCTION spaces, BILINEAR forms, ORTHOGONALIZATION

Geografický termín: THAILAND

A Matlab Toolbox for Extended Dynamic Mode Decomposition Based on Orthogonal Polynomials and p-q Quasi-Norm Order Reduction.

Autori: Garcia-Tenorio, Camilo Vande Wouwer, Alain

Zdroj: Mathematics (2227-7390); Oct2022, Vol. 10 Issue 20, p3859-N.PAG, 18p

Predmety: ORTHOGONAL decompositions, LINEAR operators, ORTHOGONAL polynomials

FAST EIGENPAIRS COMPUTATION WITH OPERATOR ADAPTED WAVELETS AND HIERARCHICAL SUBSPACE CORRECTION.

Autori: HEHU XIE LEI ZHANG OWHADI, HOUMAN

Zdroj: SIAM Journal on Numerical Analysis; 2019, Vol. 57 Issue 6, p2519-2550, 32p

Predmety: SYMMETRIC operators, LINEAR operators, ALGORITHMS, MULTIGRID methods (Numerical analysis), HIERARCHIES