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Malaysia's rainfall and Kalumpang agricultural station data for scattered data interpolation [PDF]

open access: yesData in Brief
Scattered data interpolation is an essential technique used in environmental, geospatial and meteorological analysis. It enables the estimation of unknown values within a dataset at the domain by utilising known data points.
Samsul Ariffin Abdul Karim, Owen Tamin
doaj   +2 more sources

Convexity-preserving Bernstein–Bézier quartic scheme [PDF]

open access: yesEgyptian Informatics Journal, 2014
A C1 convex surface data interpolation scheme is presented to preserve the shape of scattered data arranged over a triangular grid. Bernstein–Bézier quartic function is used for interpolation.
Maria Hussain   +2 more
doaj   +4 more sources

Meshfree Interpolation of Multidimensional Time-Varying Scattered Data

open access: yesComputers, 2023
Interpolating and approximating scattered scalar and vector data is fundamental in resolving numerous engineering challenges. These methodologies predominantly rely on establishing a triangulated structure within the data domain, typically constrained to
Vaclav Skala, Eliska Mourycova
doaj   +1 more source

Gaussian Radial Basis Function interpolation in vertical deformation analysis

open access: yesGeodesy and Geodynamics, 2021
In many deformation analyses, the partial derivatives at the interpolated scattered data points are required. In this paper, the Gaussian Radial Basis Functions (GRBF) is proposed for the interpolation and differentiation of the scattered data in the ...
Mohammad Amin Khalili, Behzad Voosoghi
doaj   +1 more source

Efficient approximation algorithms. Part II: scattered data interpolation based on strip searching procedures [PDF]

open access: yesDolomites Research Notes on Approximation, 2010
Giampietro Allasia   +3 more
doaj   +2 more sources

Scattered Data Interpolation Using Rational Quartic Triangular Patches With Three Parameters

open access: yesIEEE Access, 2020
This paper discusses the construction of scattered data interpolation scheme based on rational quartic triangular patches with C1 continuity. The C1 sufficient condition is derived on each adjacent triangle. We employ rational corrected scheme comprising
Nur Nabilah Che Draman   +2 more
doaj   +1 more source

An algorithm for choosing a good shape parameter for radial basis functions method with a case study in image processing

open access: yesResults in Applied Mathematics, 2022
Some efficient radial basis functions (RBFs) have a free parameter called the shape parameter that controls the shape of approximating function. This parameter is mainly selected by trial and error related to the problem.
Shabnam Sadat Seyed Ghalichi   +2 more
doaj   +1 more source

Comparative suitability of ordinary kriging and Inverse Distance Weighted interpolation for indicating intactness gradients on threatened savannah woodland and forest stands

open access: yesEnvironmental and Sustainability Indicators, 2021
Mapping spatial variations in tree density and woody species diversity, as indicators of intactness of tropical forests and woodlands, is potentially useful to nature conservation managers.
C. Munyati, N.I. Sinthumule
doaj   +1 more source

An Adaptive Selection Method for Shape Parameters in MQ-RBF Interpolation for Two-Dimensional Scattered Data and Its Application to Integral Equation Solving

open access: yesFractal and Fractional, 2023
The paper proposes an adaptive selection method for the shape parameter in the multi-quadratic radial basis function (MQ-RBF) interpolation of two-dimensional (2D) scattered data and achieves good performance in solving integral equations (O-MQRBF).
Jian Sun, Ling Wang, Dianxuan Gong
doaj   +1 more source

The Shape Parameter in the Shifted Surface Spline—An Easily Accessible Approach

open access: yesMathematics, 2022
In this paper, we present an easily accessible approach to finding a suitable shape parameter in the shifted surface spline for function interpolation. We aim at helping more readers, including mathematicians and non-mathematicians, to use our method to ...
Lin-Tian Luh
doaj   +1 more source

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