Výsledky vyhledávání - numerical computation of eigenvalues and eigenfunctions
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Nonlinear eigenvalue problem for a system of ordinary differential equations subject to a nonlocal condition
ISSN: 0965-5425, 1555-6662Vydáno: Dordrecht SP MAIK Nauka/Interperiodica 01.02.2012Vydáno v Computational mathematics and mathematical physics (01.02.2012)“…For a system of linear ordinary differential equations supplemented with a nonlocal condition specified by the Stieltjes integral, the problem of calculating the eigenvalues belonging to a given…”
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Asymptotic behaviors and numerical computations of the eigenfunctions and eigenvalues associated with the classical and circular prolate spheroidal wave functions
ISSN: 0096-3003, 1873-5649Vydáno: Elsevier Inc 15.07.2012Vydáno v Applied mathematics and computation (15.07.2012)“… The prolate spheroidal wave functions have already found many applications from various scientific area such as signal processing, numerical analysis, Physics and random matrix theory…”
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The fast and accurate computation of eigenvalues and eigenfunctions of time-independent one-dimensional Schrödinger equations
ISSN: 0010-4655, 1879-2944Vydáno: Elsevier B.V 01.01.2021Vydáno v Computer physics communications (01.01.2021)“… 3.0 currently allows the accurate, but in comparison to Matslise 2.0, faster computation of eigenvalues and eigenfunctions of one dimensional time-independent Schrödinger problems…”
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On the calculation of the finite Hankel transform eigenfunctions
ISSN: 1598-5865, 1865-2085Vydáno: Berlin/Heidelberg Springer Berlin Heidelberg 01.10.2013Vydáno v Journal of applied mathematics & computing (01.10.2013)“…In this work, we discuss the numerical computation of the eigenvalues and eigenfunctions of the finite (truncated…”
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Computation of Eigenvalues and Eigenfunctions in the Solution of Eddy Current Problems
ISSN: 1424-8220, 1424-8220Vydáno: Switzerland MDPI AG 01.03.2023Vydáno v Sensors (Basel, Switzerland) (01.03.2023)“… The computation of the complex eigenvalue spectrum must be very accurate since losing or misplacing one of the thereto linked modes will have an important impact on the field solution…”
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First Exit Times of Harmonically Trapped Particles: A Didactic Review
ISSN: 2331-8422Vydáno: Ithaca Cornell University Library, arXiv.org 22.06.2025Vydáno v arXiv.org (22.06.2025)“… We also present a rapidly converging series representation of confluent hypergeometric functions that is particularly well suited for numerical computation of eigenvalues and eigenfunctions…”
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Fast Computation of High-Frequency Dirichlet Eigenmodes via Spectral Flow of the Interior Neumann-to-Dirichlet Map
ISSN: 0010-3640, 1097-0312Vydáno: New York Blackwell Publishing Ltd 01.03.2014Vydáno v Communications on pure and applied mathematics (01.03.2014)“…We present a new algorithm for numerical computation of large eigenvalues and associated eigenfunctions of the Dirichlet Laplacian in a smooth, star‐shaped domain in ℝd, d ≥ 2…”
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Improvements to the computation of eigenvalues and eigenfunctions of two-dimensional Schrödinger equations by constant perturbation based algorithms
ISSN: 0377-0427, 1879-1778Vydáno: Elsevier B.V 01.10.2022Vydáno v Journal of computational and applied mathematics (01.10.2022)“…, for the orthonormalization of eigenfunctions, for automatic step size selection and for the accurate computation of integrals…”
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On an Exact Convergence of Quasi-Periodic Interpolations for the Polyharmonic–Neumann Eigenfunctions
ISSN: 1999-4893, 1999-4893Vydáno: Basel MDPI AG 01.11.2024Vydáno v Algorithms (01.11.2024)“…Fourier expansions employing polyharmonic–Neumann eigenfunctions have demonstrated improved convergence over those using the classical trigonometric system, due to the rapid decay of their Fourier coefficients…”
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Practical computation of the diffusion MRI signal of realistic neurons based on Laplace eigenfunctions
ISSN: 0952-3480, 1099-1492, 1099-1492Vydáno: Oxford Wiley Subscription Services, Inc 01.10.2020Vydáno v NMR in biomedicine (01.10.2020)“…‐structures of interest. A closed form representation of this reference diffusion MRI signal called matrix formalism, which makes explicit the link between the Laplace eigenvalues and eigenfunctions of the biological cell…”
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Practical computation of the diffusion MRI signal based on Laplace eigenfunctions: permeable interfaces
ISSN: 0952-3480, 1099-1492, 1099-1492Vydáno: England Wiley Subscription Services, Inc 01.03.2022Vydáno v NMR in biomedicine (01.03.2022)“…‐structures of interest. A closed form representation of this reference diffusion MRI signal, called matrix formalism, which makes explicit the link between the Laplace eigenvalues and eigenfunctions of the tissue geometry…”
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Efficient Computation of Electromagnetic Waves Under Cylindrical Geometries Using Spectral Numerical Mode Matching (SNMM) Method
ISSN: 0196-2892, 1558-0644Vydáno: New York IEEE 2024Vydáno v IEEE transactions on geoscience and remote sensing (2024)“…The numerical mode matching (NMM) method is a widely used semianalytical approach for modeling the propagation of electromagnetic (EM…”
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Computation of the Eigenvalues for Bounded Domain Eddy-Current Models With Coupled Regions
ISSN: 0018-9464, 1941-0069Vydáno: New York IEEE 01.06.2016Vydáno v IEEE transactions on magnetics (01.06.2016)“…; 2) zero levelsets; and 3) region enclosing the zeros. These properties allow the construction of reliable and efficient algorithms for the eigenvalue computation…”
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A POD reduced-order model for eigenvalue problems with application to reactor physics
ISSN: 0029-5981, 1097-0207Vydáno: Chichester Blackwell Publishing Ltd 21.09.2013Vydáno v International journal for numerical methods in engineering (21.09.2013)“…‐dependent eigenfunction solutions are therefore used to construct the snapshot matrix. The reduced order model's capabilities in efficiently resolving eigenvalue problems…”
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Planetary Normal Mode Computation: Parallel Algorithms, Performance, and Reproducibility
ISSN: 1045-9219, 1558-2183Vydáno: New York IEEE 01.11.2021Vydáno v IEEE transactions on parallel and distributed systems (01.11.2021)“… The proposed method is ideally suited for computing interior eigenpairs for large-scale eigenvalue problems as it greatly enhances memory and computational efficiency…”
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Derivation and Computation of Surface Differential Equations for the Induced Current on Perfectly Electrically Conducting Objects in Electromagnetics
ISSN: 0018-926X, 1558-2221Vydáno: New York IEEE 01.10.2021Vydáno v IEEE transactions on antennas and propagation (01.10.2021)“… A numerical method based on SDEs is proposed, which is named the eigenmode theory in this article…”
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Calculation of eigenvalues and eigenfunctions of a discontinuous boundary value problem with retarded argument which contains a spectral parameter in the boundary condition
ISSN: 0895-7177, 1872-9479Vydáno: Kidlington Elsevier Ltd 01.12.2011Vydáno v Mathematical and computer modelling (01.12.2011)“… We obtained asymptotic formulas for the eigenvalues and eigenfunctions…”
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Eigenfunctions of the Airyʼs integral transform: Properties, numerical computations and asymptotic behaviors
ISSN: 0022-247X, 1096-0813Vydáno: Elsevier Inc 15.05.2012Vydáno v Journal of mathematical analysis and applications (15.05.2012)“…This paper is devoted to the study of the spectrum of the integral operator with Airyʼs kernel. We provide the reader with some efficient methods of computing the eigenfunctions and the eigenvalues of this operator…”
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Numerical aspects of eigenvalue and eigenfunction computations for chaotic quantum systems
ISSN: 2331-8422Vydáno: Ithaca Cornell University Library, arXiv.org 25.04.2002Vydáno v arXiv.org (25.04.2002)“… The quantization of area--preserving maps given by their generating function is discussed and for the computation of the eigenvalues a computer program in Python is presented…”
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Eigenvalues and eigenfunctions of one-dimensional fractal Laplacians defined by iterated function systems with overlaps
ISSN: 0022-247X, 1096-0813Vydáno: Amsterdam Elsevier Inc 01.04.2010Vydáno v Journal of mathematical analysis and applications (01.04.2010)“… This allows us to obtain numerical solutions by using the finite element method. We also prove that the numerical eigenvalues and eigenfunctions converge to the true ones, and obtain estimates for the rates of convergence…”
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