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检索条件"主题词=Triangular Shepard method"
6 条 记 录,以下是1-10 订阅
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On the improvement of the triangular shepard method by non conformal polynomial elements
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APPLIED NUMERICAL MATHEMATICS 2023年 184卷 446-460页
作者: Dell'Accio, Francesco Di Tommaso, Filomena Guessab, Allal Nudo, Federico Univ Calabria Dept Math & Comp Sci Arcavacata Di Rende CS Italy Univ Pau & Pays Adour UPPA Lab Math Appl Pau LMAP UMR 5142 E2S UPPA Ave Univ F-64000 Pau France
In this paper, we introduce a new nonconforming finite element as a polynomial enrichment of the standard triangular linear element. Based on this new element, we propose an improvement of the triangular shepard opera... 详细信息
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Increasing the approximation order of the triangular shepard method
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APPLIED NUMERICAL MATHEMATICS 2018年 126卷 78-91页
作者: Dell'Accio, F. Di Tommaso, F. Nouisser, O. Zerroudi, B. Univ Calabria Dept Math & Comp Sci Arcavacata Di Rende Italy Univ Ibn Tofail Dept Math Kenitra Morocco
In this paper we discuss an improvement of the triangular shepard operator proposed by Little to extend the shepard method. In particular, we use triangle based basis functions in combination with a modified version o... 详细信息
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Modified shepard's method by six-points local interpolant
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JOURNAL OF APPLIED MATHEMATICS AND COMPUTING 2021年 第1-2期65卷 651-667页
作者: Nouisser, Otheman Zerroudi, Benaissa Ibn Tofail Univ Dept Math Kenitra Morocco
In this paper, we present an improvement of the Hexagonal shepard method which uses functional and first order derivative data. More in details, we use six-point basis functions in combination with the modified local ... 详细信息
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On the hexagonal shepard method
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APPLIED NUMERICAL MATHEMATICS 2020年 150卷 51-64页
作者: Dell'Accio, Francesco Di Tommaso, Filomena Univ Calabria Dept Math & Comp Sci Via P Bucci Cubo 30 A I-87036 Arcavacata Di Rende CS Italy
The problem of Lagrange interpolation of functions of two variables by quadratic polynomials based on nodes which are vertices of a triangulation has been recently studied and local six-tuples of vertices which assure... 详细信息
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Fast computation of triangular shepard interpolants
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JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS 2019年 354卷 457-470页
作者: Cavoretto, Roberto De Rossi, Alessandra Dell'Accio, Francesco Di Tommaso, Filomena Univ Torino Dept Math Giuseppe Peano Via Carlo Alberto 10 I-10123 Turin Italy Univ Calabria Dept Math & Comp Sci Via P Bucci Cubo 30 A I-87036 Arcavacata Di Rende CS Italy
In this paper, we present an efficient algorithm for the computation of triangular shepard interpolation method. More precisely, it is well known that the triangular shepard method reaches an approximation order bette... 详细信息
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Fast and accurate scattered Hermite interpolation by triangular shepard operators
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JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS 2021年 382卷 113092-113092页
作者: Dell'Accio, Francesco Di Tommaso, Filomena Nouisser, Otheman Zerroudi, Benaissa Univ Calabria Dept Math & Comp Sci Arcavacata Di Rende Italy Natl Res Council Italy CNR Ist Applicaz Calcolo Mauro Picone Naples Branch Naples Italy Univ Ibn Tofail Dept Math Kenitra Morocco
The triangular shepard method is a fast and accurate scheme for interpolating scattered data. In this paper, we introduce an improvement of the triangular shepard method for interpolating functional and first order de... 详细信息
来源: 评论