Výsledky vyhledávání - "Eigenvalue and eigenfunctions"
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ANALYSIS OF TIME-EIGENVALUE AND EIGENFUNCTIONS IN THE CROCUS BENCHMARK
ISSN: 2100-014X, 2100-014XVydáno: EDP Sciences 01.01.2021Vydáno v EPJ Web of Conferences (01.01.2021)“… In order to estimate the dominant eigenvalue and eigenfunction of the natural mode, CEA had extended the α…”
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Advanced Eigenvalue Tracking of Characteristic Modes
ISSN: 0018-926X, 1558-2221Vydáno: New York IEEE 01.07.2016Vydáno v IEEE transactions on antennas and propagation (01.07.2016)“…Eigenvalue tracking is a serious issue in the calculation of characteristic modes over a wide frequency range. Two commonly used algorithms in this regard are…”
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Enhancing power system stability using a TCSC-PIDF controller with innovative multiobjective function and hybrid optimisation logic
ISSN: 2045-2322, 2045-2322Vydáno: London Nature Publishing Group UK 25.01.2025Vydáno v Scientific reports (25.01.2025)“…This study aims to establish a thyristor-controlled series compensator (TCSC) equipped with a proportional integral derivative with filter (PIDF) controller by…”
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On General Properties of Eigenvalues and Eigenfunctions of a Sturm–Liouville Operator: Comments on “ISS With Respect to Boundary Disturbances for 1-D Parabolic PDEs”
ISSN: 0018-9286, 1558-2523Vydáno: IEEE 01.11.2017Vydáno v IEEE transactions on automatic control (01.11.2017)“…) under certain assumptions, imposed on eigenvalues and eigenfunctions of an associated Sturm-Liouville operator…”
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Dynamics of Stellar Systems with Collisions: Eigenvalues and Eigenfunctions in Nearly Collisionless Limit
ISSN: 0004-6256, 1538-3881Vydáno: Madison The American Astronomical Society 01.04.2025Vydáno v The Astronomical journal (01.04.2025)“…We examine the decay of perturbations in an infinite homogeneous self-gravitating model with a Maxwellian distribution function (DF) when weak collisions are…”
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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 solution of the eigenvalue problem in bounded domains with planar and cylindrical stratification is a necessary preliminary task for the construction of…”
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ON THE FIRST EIGENVALUE AND EIGENFUNCTIONS OF THE LAPLACE OPERATOR ON A COMPACT RIEMANNIAN MANIFOLD AND THEIR GEOMETRIC APPLICATIONS
ISBN: 9798413182758Vydáno: ProQuest Dissertations & Theses 01.01.1979Získat plný text
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On the first eigenvalue and eigenfunction of the Laplacian with mixed boundary conditions
ISSN: 0022-0396, 1090-2732Vydáno: Elsevier Inc 15.05.2025Vydáno v Journal of Differential Equations (15.05.2025)“…We consider the eigenvalue problem for the Laplacian with mixed Dirichlet and Neumann boundary conditions. For a certain class of bounded, simply connected…”
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An efficient numerical method for estimating eigenvalues and eigenfunctions of fractional Sturm–Liouville problems
ISSN: 0378-4754, 1872-7166Vydáno: Elsevier B.V 01.07.2021Vydáno v Mathematics and computers in simulation (01.07.2021)“…In this paper, we construct numerical schemes based on the Lagrange polynomial interpolation to solve Fractional Sturm–Liouville problems (FSLPs) in which the…”
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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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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)“…We present important improvements and additions to a modern technique developed by Ixaru to solve the time-dependent two-dimensional Schrödinger equation with…”
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Eigenvalues and Eigenfunctions of Differential Operators with Involution
ISSN: 0037-4466, 1573-9260Vydáno: Moscow Pleiades Publishing 01.09.2024Vydáno v Siberian mathematical journal (01.09.2024)“…We demonstrate that the presence of summands with involution in the argument in an ordinary differential equation can significantly affect the well-posedness…”
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The eigenvalues and eigenfunctions of the non-linear equation associated to second order Sobolev embeddings
ISSN: 0362-546X, 1873-5215Vydáno: Elsevier Ltd 01.11.2023Vydáno v Nonlinear analysis (01.11.2023)“…We consider the non-linear eigenvalue equations characterizing Lp into Lq Sobolev embeddings of second order for Navier boundary conditions at both ends of a…”
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Eigenvalues and eigenfunctions of nonuniform beams with a new method based on perturbation
ISSN: 0029-8018, 1873-5258Vydáno: Elsevier Ltd 15.10.2023Vydáno v Ocean engineering (15.10.2023)“…By using a new method based on perturbation method and Fredholm theory, the eigenvalues and eigenfunctions of nonuniform Euler-Bernoulli beam vibration are solved analytically…”
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Eigenvalues and Eigenfunctions of One-Dimensional Fractal Laplacians
ISSN: 1776-0852, 1402-9251, 1776-0852Vydáno: Dordrecht Springer Netherlands 01.09.2023Vydáno v Journal of nonlinear mathematical physics (01.09.2023)“…We study the eigenvalues and eigenfunctions of one-dimensional weighted fractal Laplacians…”
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Global and local shape features of the hippocampus based on Laplace–Beltrami eigenvalues and eigenfunctions: a potential application in the lateralization of temporal lobe epilepsy
ISSN: 1590-1874, 1590-3478, 1590-3478Vydáno: Cham Springer International Publishing 01.09.2022Vydáno v Neurological sciences (01.09.2022)“… The proposed method is based on Laplace–Beltrami (LB) eigenvalues and eigenfunctions as isometric invariant shape features, and thus, the procedure does not require any image registration…”
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Principal eigenvalues and eigenfunctions for fully nonlinear equations in punctured balls
ISSN: 0021-7824Vydáno: Elsevier Masson SAS 01.06.2024Vydáno v Journal de mathématiques pures et appliquées (01.06.2024)“…This paper is devoted to the proof of the existence of the principal eigenvalue and related eigenfunctions for fully nonlinear uniformly elliptic equations…”
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The first eigenvalue and eigenfunction of a nonlinear elliptic system
ISSN: 0168-9274, 1873-5460Vydáno: Elsevier B.V 01.11.2019Vydáno v Applied numerical mathematics (01.11.2019)“…In this paper, we study the first eigenvalue of a nonlinear elliptic system involving p-Laplacian as the differential operator. The principal eigenvalue of the…”
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First-order expansions for eigenvalues and eigenfunctions in periodic homogenization
ISSN: 0308-2105, 1473-7124Vydáno: Edinburgh, UK Royal Society of Edinburgh Scotland Foundation 01.10.2020Vydáno v Proceedings of the Royal Society of Edinburgh. Section A. Mathematics (01.10.2020)“…For a family of elliptic operators with periodically oscillating coefficients, $-{\rm div}(A(\cdot /\varepsilon )\nabla )$ with tiny ε > 0, we comprehensively study the first-order expansions of eigenvalues and eigenfunctions…”
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Principal eigenvalues and eigenfunctions to Lane-Emden systems on general bounded domains
ISSN: 0021-2172, 1565-8511Vydáno: Jerusalem The Hebrew University Magnes Press 01.03.2024Vydáno v Israel journal of mathematics (01.03.2024)“…We prove the existence of at least a curve of principal eigenvalues for two-parameter Lane-Emden systems under Dirichlet boundary conditions for general…”
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