Results 11 to 20 of about 330 (180)

Bivariate High-Accuracy Hermite-Type Multiquadric Quasi-Interpolation Operators

open access: yesJournal of Mathematics
In this paper, a kind of Hermite-type multiquadric quasi-interpolation operator is constructed by combining an extended univariate multiquadric quasi-interpolation operator with a bivariate Hermite interpolation polynomial.
Ruifeng Wu
doaj   +2 more sources

MuscleX-DI: an integrated data analysis package for X-ray scanning diffraction imaging experiments. [PDF]

open access: yesJ Synchrotron Radiat
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 ...
Madhurapantula RS   +8 more
europepmc   +2 more sources

Cardinal interpolation with general multiquadrics [PDF]

open access: yesAdvances in Computational Mathematics, 2016
This paper studies the cardinal interpolation operators associated with the general multiquadrics, $ϕ_{α,c}(x) = (\|x\|^2+c^2)^α$, $x\in\mathbb{R}^d$. These operators take the form $$\mathscr{I}_{α,c}\mathbf{y}(x) = \sum_{j\in\mathbb{Z}^d}y_jL_{α,c}(x-j),\quad\mathbf{y}=(y_j)_{j\in\mathbb{Z}^d},\quad x\in\mathbb{R}^d,$$ where $L_{α,c}$ is a fundamental
Keaton Hamm, Jeff Ledford
openaire   +4 more sources

Cardinal interpolation with general multiquadrics: convergence rates [PDF]

open access: yesAdvances in Computational Mathematics, 2017
Wholesale changes from previous version; 26 pages ...
Keaton Hamm, Jeff Ledford
openaire   +3 more sources

Multiquadric B-splines

open access: yesJournal of Approximation Theory, 1996
The authors define certain combinations of multiquadrics, denoted as \(\Psi\)-splines, and investigate their properties. In particular, the strong analogy between these \(\Psi\)-splines and the usual polynomial B-splines is pointed out at several places.
Beatson, R.K., Dyn, N.
openaire   +2 more sources

The RBF-FD and RBF-FDTD Methods for Solving Time-Domain Electrical Transient Problems in Power Systems

open access: yesInternational Transactions on Electrical Energy Systems, 2023
In this paper, the development and application of the radial basis function-finite difference (RBF-FD) method and the RBF-finite difference time domain (RBF-FDTD) method for solving electrical transient problems in power systems that are defined by the ...
Duc-Quang Vu   +2 more
doaj   +1 more source

A Multimethod Analysis for Average Annual Precipitation Mapping in the Khorasan Razavi Province (Northeastern Iran)

open access: yesAtmosphere, 2021
The spatial distribution of precipitation is one of the most important climatic variables used in geographic and environmental studies. However, when there is a lack of full coverage of meteorological stations, precipitation estimations are necessary to ...
Mehdi Aalijahan, Azra Khosravichenar
doaj   +1 more source

Adaptive Interpolation by Scaled Multiquadrics

open access: yesAdvances in Computational Mathematics, 2002
Given a univariate data sample, the authors present an adaptative method to select a subsample in such a way that shape preserving information is extracted, that is to say, that the interpolating function constructed by the subsample reproduces the signal with a good graphical accuracy.
Bozzini, M.   +2 more
openaire   +4 more sources

Multi-quadric collocation model of horizontal crustal movement [PDF]

open access: yesSolid Earth, 2016
To establish the horizontal crustal movement velocity field of the Chinese mainland, a Hardy multi-quadric fitting model and collocation are usually used.
G. Chen, A. Zeng, F. Ming, Y. Jing
doaj   +1 more source

The parameter R2 in multiquadric interpolation

open access: yesComputers & Mathematics with Applications, 1991
For bivariate interpolation to the data \((x_ i,y_ i,z_ i)\) where the \((x_ i,y_ i)\) are arbitrary points the multiquadric method has been frequently applied [for references, see: \textit{R. L. Hardy}, Comput. Math. Appl. 19, 163-208 (1990; Zbl 0692.65003)]. The accuracy of the method depends on a user defined parameter \(R^ 2\). In the present paper
Carlson, Ralph E., Foley, Thomas A.
openaire   +2 more sources

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