Results 41 to 50 of about 1,276 (137)

Sparse approximate multiquadric interpolation

Computers & Mathematics with Applications, 1994
The authors consider the following problem: given a set \(S\) of samples of a multivariate function \(f\) and an error tolerance \(\delta\), find the smallest set of points \(T \subseteq S\) such that if \(M\) is the multiquadric interpolant of \(T\), then the relative error between \(M\) and \(f\) over \(S\) is at most \(\delta\).
Carlson, R.E., Natarajan, B.K.
openaire   +1 more source

Analysis of laminated doubly-curved shells by alayerwise theory and radial basis functions collocation, accounting for through-the-thickness deformations

, 2011
In this paper, the static and free vibration analysis of laminated shells is performed by radial basis functions collocation, according to a sinusoidal shear deformation theory (SSDT).
A.J.M. Ferreira, Arnold, Bathe, C.M.C. Roque, Carrera, Carrera, Carrera, Carrera, Carrera, Chapelle, Chen, Cheng, Chinosi, Cinefra, Dai, D’Ottavio, E. Carrera, Ferreira, Ferreira, Ferreira, Ferreira, Ferreira, Flügge, Hardy, Hon, Hon, Huang, Kansa, Koiter, Liew, Liu, Liu, Liu, Liu, M. Cinefra, Naghdi, O. Polit, Pitkäranta, Polit, Q Huang, Reddy, Reddy, Scordelis, Touratier, Touratier, Touratier, Vidal, Wang, Wang, Xiang, Xiang, Zienkiewicz   +51 more
core   +1 more source

MuscleX‐DI: an integrated data analysis package for X‐ray scanning diffraction imaging experiments

Journal of Synchrotron Radiation, Volume 33, Issue 1, Page 246-257, January 2026.
MuscleX‐Diffraction Imaging (MuscleX‐DI) is an integrated, open‐source software suite for data reduction and visualization of scanning X‐ray diffraction (XRD) experiments. It is developed in Python and runs on Linux, Microsoft Windows or macOS. MuscleX‐DI offers an end‐to‐end software analysis pipeline that ingests diffraction patterns and raster scan ...
Rama S. Madhurapantula, Jiranun Jiratrakanvong, Grant Nikseresht, Nikhil Miskin, Ran Huo, Jules Nabon, Thomas C. Irving, Gady Agam, Joseph Orgel   +8 more
wiley   +1 more source

How fast do radial basis function interpolants of analytic functions converge? [PDF]

, 2009
The question in the title is answered using tools of potential theory. Convergence and divergence rates of interpolants of analytic functions on the unit interval are analyzed.
Platte, Rodrigo B.
core  

Generalized Multiquadric Neural Networks in Image Reconstruction

, 2022
This work aims to numerically investigate the performance of the multiquadric (MQ) radial basis function in more general formats for image reconstruction applications. Desired features, i.e., accuracy and shape parameter sensitivity, of each form is numerically compared and explored.
Pornthip Pongchalee, Pirapong Inthapong, Krittidej Chanthawara, Pichapop Paewpolsong, Sayan Kaennakham   +4 more
openaire   +1 more source

Hybrid Vision Transformer With Convolutional Blocks Approach for Subsurface Electrical Resistivity Tomography Inversion

Journal of Geophysical Research: Machine Learning and Computation, Volume 2, Issue 4, December 2025.
Abstract Electrical Resistivity Tomography (ERT) is widely used for subsurface imaging. Despite recent advancements in machine learning based ERT inversion using conventional deep learning models such as CNN and UNet, accurately delineating resistivity profiles of natural and artificial subsurface anomalies remains challenging.
Huichao Yin, Kenneth C. Carroll, Yusen Yuan, Ahsan Jamil, Dale F. Rucker, Zhenxue Dai, Mohamad Reza Soltanian   +6 more
wiley   +1 more source

Comparative analysis of some modeal reconstruction methods of the cornea from corneal elevation data [PDF]

, 2009
Purpose. A comparative study of the ability of some modal schemes to reproduce corneal shapes of varying complexity is performed, using both standard radial polynomials and the radial basis functions (RBF).
Alió, Jorge L., Castro de Luna, Gracia M., Delgado, Antonia M., Martínez-Finkelshtein, Andrei, Zarzo Altarejos, Alejandro   +4 more
core   +2 more sources

α$$ \alpha $$‐KIDS: A Novel Feature Evaluation in the Ultrahigh‐Dimensional Right‐Censored Setting, With Application to Head and Neck Cancer

Statistics in Medicine, Volume 44, Issue 15-17, July 2025.
ABSTRACT Recent advances in sequencing technologies have allowed the collection of massive genome‐wide information that substantially enhances the diagnosis and prognosis of head and neck cancer. Identifying predictive markers for survival time is crucial for devising prognostic systems and learning the underlying molecular drivers of the cancer course.
Atika Farzana Urmi, Chenlu Ke, Dipankar Bandyopadhyay   +2 more
wiley   +1 more source

3D Model of the Shallow Crustal Density Distribution of the Krafla Volcanic System in Iceland

Journal of Geophysical Research: Solid Earth, Volume 130, Issue 7, July 2025.
Abstract Krafla volcano, located in Iceland's North Volcanic Zone, has been extensively studied using static gravity surveys since 1975. This study integrates measurements acquired between 2022 and 2023 with legacy data to produce a new gravity map of the area. We produce gravity gradient maps to delineate shallow subsurface density features and invert
Ana Martinez‐Garcia, Joachim Gottsmann, James Wookey, Alison Rust, Magnús T. Gudmundsson, Yan Lavallée   +5 more
wiley   +1 more source

Differential quadrature method for space-fractional diffusion equations on 2D irregular domains

, 2018
In mathematical physics, the space-fractional diffusion equations are of particular interest in the studies of physical phenomena modelled by L\'{e}vy processes, which are sometimes called super-diffusion equations.
Liu, F., Nie, Y. F., Yuan, Z. B., Zhu, X. G.   +3 more
core   +1 more source