Results 61 to 70 of about 43,843 (312)

A numerical model of elasticity for cardiovascular system that includes 2/3D displacements and deformations

open access: yesInternational Journal for Simulation and Multidisciplinary Design Optimization, 2020
In this work, we deal an elasticity model in 2D and 3D dimension for deformation under constraint by taking into account the direction of the deformation displacement. This work is a result of an article [A. Azzayani et al., Br. J. Math. Comput.
Azzayani Ayoub
doaj   +1 more source

Eigenvectors of the De-Rham Operator

open access: yesMathematics, 2023
We aim to examine the influence of the existence of a nonzero eigenvector ζ of the de-Rham operator Γ on a k-dimensional Riemannian manifold (Nk,g). If the vector ζ annihilates the de-Rham operator, such a vector field is called a de-Rham harmonic vector
Nasser Bin Turki   +2 more
doaj   +1 more source

The IPRs of the eigenvectors.

open access: yes, 2018
The x-axis represents the rank of eigenvectors νk. The y-axis represents the corresponding IPR I(k). The black circles and lines represent the I(k)s of the eigenvectors νk derived from the spreads set .
Lei Wang (6656)   +3 more
core   +1 more source

3D Chromatin Architecture Provides Insights Into Leaf Trait Variation Among Pear Species

open access: yesAdvanced Science, EarlyView.
ABSTRACT Three‐dimensional (3D) chromatin architecture plays a fundamental role in eukaryotic gene regulations, its functional significance in perennial fruit trees remains poorly characterized despite extensive applications in crop genomics. Here, we developed high‐resolution (∼5 kb) Hi‐C maps of Pyrus and compared 3D genomic architecture of three ...
Yueyuan Liu   +11 more
wiley   +1 more source

NAPE: Numbering as a Position Encoding in Graphs

open access: yesIEEE Access
Deep learning has been instrumental in feature extraction from various data types, such as images and sequences, which inherently possess oriented structures.
Olayinka Ajayi, Hongkai Wen, Tanaya Guha
doaj   +1 more source

A regression and comparative study of United States and South African yield curves using principal component analysis

open access: yesSouth African Journal of Economic and Management Sciences, 2018
Volatile markets and economic environments can significantly distort the shape and smoothness of yield curve movements. This study explores the influence of movements in United States interest rates on South African interest rates.
Kavir Patel   +2 more
doaj   +1 more source

Eigenvectors of certain matrices

open access: yes, 1973
An algorithm is given for calculation of eigenvalues and eigenvectors of centrosymmetric and some related matrices, and some desirable properties of the algorithm are proved.
Andrew, Alan L.
core   +1 more source

On the Calculation of Eigenvalues and Eigenvectors of Matrix Polynomials and Orthogonality Relations between their Eigenvectors [PDF]

open access: yes, 2013
In the paper, the computation of the eigenvalues and eigenvectors of polynomial eigenvalue problem via standard eigenvalue problems is presented. We also establish orthogonality relations between the eigenvectors of matrix polynomials.

core   +1 more source

Dose‐Dependent Reprogramming of Chromatin Accessibility by SOX4 Drives the Transcriptional Response to Iron Overload

open access: yesAdvanced Science, EarlyView.
This study demonstrates that iron overload triggers widespread chromatin compaction and transcriptional repression in human granulosa cells, recapitulating features of endometriosis. The epigenetic reprogramming is orchestrated by a TFEB‐SOX4‐SWI/SNF axis, with SOX4 acting as a central, dosage‐sensitive regulator.
Feifei Li   +15 more
wiley   +1 more source

Eigenvectors of BLOSUM100 matrix.

open access: yes, 2014
Eigenvectors of BLOSUM100 matrix.
Teresa Mroczek (589332)   +2 more
core   +1 more source

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