Results 31 to 40 of about 53,695 (215)

Seedling Discrimination with Shape Features Derived from a Distance Transform

Sensors, 2013
The aim of this research is an improvement of plant seedling recognition by two new approaches of shape feature generation based on plant silhouettes. Experiments show that the proposed feature sets possess value in plant recognition when compared with ...
Rasmus Nyholm Jørgensen, Henrik Skov Midtiby, Thomas Mosgaard Giselsson   +2 more
doaj   +1 more source

Effect of gravitational wave on shadow of a Schwarzschild black hole

European Physical Journal C: Particles and Fields, 2021
We have studied the shadows of a Schwarzschild black hole under a special polar gravitational perturbation, which is a particular solution of Einstein equations expanded up to first order.
Mingzhi Wang, Songbai Chen, Jiliang Jing
doaj   +1 more source

An Efficient Legendre–Galerkin Approximation for Fourth-Order Elliptic Problems with SSP Boundary Conditions and Variable Coefficients

Mathematics, 2023
Under simply supported plate (SSP) boundary conditions, a numerical method based on the higher-order Legendre polynomial approximation was studied and developed for fourth-order problems with variable coefficients.
Hui Zhang, Xingrong Yang, Jiulin Jin, Xu Zhang, Jun Zhang   +4 more
doaj   +1 more source

Differential cross section analysis in kaon photoproduction using associated legendre polynomials

, 2009
Angular distributions of differential cross sections from the latest CLAS data sets \cite{bradford}, for the reaction ${\gamma}+p {\to} K^{+} + {\Lambda}$ have been analyzed using associated Legendre polynomials.
D. G. IRELAND, Fasano C. G., G. ROSNER, P. T. P. HUTAURUK, Sivia D. S., Zegers R. G. T.   +5 more
core   +2 more sources

Numerical simulation of variable-order fractal-fractional delay differential equations with nonsingular derivative

Engineering Science and Technology, an International Journal, 2023
This work develops a new Legendre delay operational matrix based on Legendre polynomial features that are integrated with regard to the Legendre fractional derivative operational matrix in order to solve the issues.
Mays Basim, Ali Ahmadian, Norazak Senu, Zarina Bibi Ibrahim   +3 more
doaj   +1 more source

Comparison of different order and heterogeneous residual variances legendre polynomials in random regression models [PDF]

Kafkas Universitesi Veteriner Fakültesi Dergisi, 2020
In this study, it was aimed to estimate covariance function, covariance components, permanent environmental effect, additive genetic effect and heritability values, and comparison of models with different order and heterogeneous residual variances ...
Samet Hasan ABACI
doaj   +1 more source

Topological Point Defects in SmC* Liquid Crystals Under Mechanical Disturbance

Advanced Materials Interfaces, EarlyView.
Tangetial air jet shear inducess island formation and nucleates topological point defects in uniform SmC films. Island bounded by edge dislocation loops shrink and transform into isolated point defects under continued shear. Mechanical perturbatio provides a controllable route for defect engineering in smectric liquid crystal thin films.
Gunganist Kongklad, Vandana Molahalli, Apichart Pattanaporkratana, Nattaporn Chattham   +3 more
wiley   +1 more source

A Polynomial Spectral Calculus for Analysis of DG Spectral Element Methods

, 2017
We introduce a polynomial spectral calculus that follows from the summation by parts property of the Legendre-Gauss-Lobatto quadrature. We use the calculus to simplify the analysis of two multidimensional discontinuous Galerkin spectral element ...
A.D. Beck, C. Altmann, C. Canuto, C. Canuto, D. Stanescu, D.A. Kopriva, D.A. Kopriva, D.A. Kopriva, D.A. Kopriva, D.A. Kopriva, D.A. Kopriva, G. Gassner, G. Gassner, G.J. Gassner, G.J. Gassner, H.M. Frank, K. Black, K. Black, Z. Xie   +18 more
core   +1 more source

Polynomially Interpolated Legendre Multiplier Sequences [PDF]

Computational Methods and Function Theory, 2017
We prove that every multiplier sequence for the Legendre basis which can be interpolated by a polynomial has the form $\{h(k^2+k)\}_{k=0}^{\infty}$, where $h\in\mathbb{R}[x]$. We also prove that a non-trivial collection of polynomials of a certain form interpolate multiplier sequences for the Legendre basis, and we state conjectures on how to extend ...
Chasse, Matthew, Forgács, Tamás, Piotrowski, Andrzej   +2 more
openaire   +2 more sources

Enhanced High Dimensionality and the Information Processing Capacity in Interfered Spin Wave‐Based Reservoir Computing, Achieved With Eight Detectors

Advanced Electronic Materials, EarlyView.
Physical reservoir computing (PRC) based on spin wave interference has demonstrated high computational performance, yet room for improvement remains. In this study, we fabricated this concept PRC with eight detectors and evaluated the impact of the number of detectors using a chaotic time series prediction task.
Sota Hikasa, Wataru Namiki, Daiki Nishioka, Maki Nishimura, Ryo Iguchi, Kazuya Terabe, Takashi Tsuchiya   +6 more
wiley   +1 more source