Results 1 to 10 of about 28,556 (267)

An Exact Method for Calculating the Eigenvector Sensitivities

open access: yesApplied Sciences (Switzerland), 2020
Eigenvector sensitivities are often used in many engineering problems such as structural vibration control, optimization design, model updating and damage identification. So far, modal superposition method and Nelson’s method are the two main methods for
Q W Yang, Xi Peng, Yang Qiuwei
exaly   +3 more sources

A comparison of common factor-based methods for hyperspectral image exploration: principal components analysis, maximum autocorrelation factors (MAF), minimum noise factors (MNF) and maximum difference factors (MDF)

open access: yesJournal of Spectral Imaging, 2022
Principal components analysis (PCA), maximum autocorrelation factors (MAF), minimum noise factors (MNF) and maximum difference factors (MDF) models are common factor-based models used for analysis of hyperspectral images.
Neal B. Gallagher
doaj   +1 more source

An Analysis Method of Symplectic Dual System for Decagonal Quasicrystal Plane Elasticity and Application

open access: yesCrystals, 2022
The symplectic solution system of decagonal quasicrystal elastic mechanics is considered. Hamiltonian dual equations together with the boundary conditions are investigated by utilizing the principle of minimum potential energy.
Guangfang Li, Lianhe Li
doaj   +1 more source

Mathematical modeling of the eigenvibrations for the loaded shallow shell [PDF]

open access: yesE3S Web of Conferences, 2023
The eigenvalue problems modeling of the eigenvibrations of the loaded shallow shell are studied. The asymptotic properties of the eigenvalues and eigenvectors are investigated in dependence on the load parameters.
Samsonov Anton, Solov’ev Sergey
doaj   +1 more source

Dynamic Response of the Inertial Platform of the Laser ELI-NP Magurele-Bucharest Facility

open access: yesMathematics, 2022
Previous studies on the vibrational behavior of the inertial platform installed at ELI-NP, in Magurele-Bucharest have reported eigenfrequencies in the domain in which excitations can occur from earthquakes which manifests itself periodically in this ...
Calin Itu   +7 more
doaj   +1 more source

Modified Kleene Star Algorithm Using Max-Plus Algebra and Its Application in the Railroad Scheduling Graphical User Interface

open access: yesComputation, 2023
In max-plus algebra, some algorithms for determining the eigenvector of irreducible matrices are the power algorithm and the Kleene star algorithm. In this research, a modified Kleene star algorithm will be discussed to compensate for the disadvantages ...
Ema Carnia   +4 more
doaj   +1 more source

Flexible gypsum mould applied in the mechanical system for blank of grouted ceramic handicrafts based on the radial movement of the sphere and connection by the principle of six-point positioning

open access: yesThe Journal of Engineering, 2020
In order to solve the problems of low production efficiency, poor quality of blanks, high labour intensity and inability to meet the market demand with the manual gypsum mould, a novel design of the gypsum mould to be applied into the automatic ...
Gu Lizhi   +7 more
doaj   +1 more source

New Results of Multi-Agent Controllability Under Equitable Partitions

open access: yesIEEE Access, 2020
This paper studies the controllability of leader-follower multi-agent systems under fixed topology. The relationship between controllability and information communication topologies is characterized by taking advantage of equitable partitions.
Yanhong Lou, Zhijian Ji, Jijun Qu
doaj   +1 more source

Analytical solutions to some generalized and polynomial eigenvalue problems

open access: yesSpecial Matrices, 2021
It is well-known that the finite difference discretization of the Laplacian eigenvalue problem −Δu = λu leads to a matrix eigenvalue problem (EVP) Ax =λx where the matrix A is Toeplitz-plus-Hankel.
Deng Quanling
doaj   +1 more source

Application of the Perturbation Method for Determination of Eigenvalues and Eigenvectors for the Assumed Static Strain

open access: yesCivil and Environmental Engineering, 2014
The paper presents the perturbation method which was used for computation of eigenvalues and eigenvectors for the assumed homogeneous state of strain in the hyperelastic Murnaghan material.
Major Izabela, Major Maciej
doaj   +1 more source

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