Results 11 to 20 of about 1,054,196 (331)

Construction of Multivariate Interpolation Hermite Polynomials for Finite Element Method [PDF]

open access: yesEPJ Web of Conferences, 2020
A new algorithm for constructing multivariate interpolation Hermite polynomials in analytical form in a multidimensional hypercube is presented. These polynomials are determined from a specially constructed set of values of the polynomials themselves and
Chuluunbaatar Galmandakh   +8 more
doaj   +2 more sources

Lagrange Multivariate Polynomial Interpolation: A Random Algorithmic Approach

open access: yesJournal of Applied Mathematics, 2022
The problems of polynomial interpolation with several variables present more difficulties than those of one-dimensional interpolation. The first problem is to study the regularity of the interpolation schemes.
A. Essanhaji, M. Errachid
doaj   +2 more sources

Quantum-inspired algorithms for multivariate analysis: from interpolation to partial differential equations [PDF]

open access: yesQuantum, 2021
In this work we study the encoding of smooth, differentiable multivariate functions in quantum registers, using quantum computers or tensor-network representations. We show that a large family of distributions can be encoded as low-entanglement states of
Juan José García-Ripoll
doaj   +3 more sources

Multivariate sparse interpolation using randomized Kronecker substitutions [PDF]

open access: green, 2014
We present new techniques for reducing a multivariate sparse polynomial to a univariate polynomial. The reduction works similarly to the classical and widely-used Kronecker substitution, except that we choose the degrees randomly based on the number of ...
Andrew Arnold, Daniel S. Roche
core   +5 more sources

Faster Algorithms for Multivariate Interpolation with Multiplicities and Simultaneous Polynomial Approximations [PDF]

open access: greenIEEE Transactions on Information Theory, 2014
The interpolation step in the Guruswami-Sudan algorithm is a bivariate interpolation problem with multiplicities commonly solved in the literature using either structured linear algebra or basis reduction of polynomial lattices.
Muhammad F. I. Chowdhury   +4 more
openalex   +3 more sources

Necessary Conditions for Interpolation by Multivariate Polynomials [PDF]

open access: yesComputational Methods and Function Theory, 2021
Let Ω\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\Omega $$\end ...
J. Antezana, J. Marzo, J. Ortega-Cerdà
semanticscholar   +7 more sources

On multivariate Lagrange interpolation [PDF]

open access: bronzeMathematics of Computation, 1995
Lagrange interpolation by polynomials in several variables is studied through a finite difference approach. We establish an interpolation formula analogous to that of Newton and a remainder formula, both of them in terms of finite differences. We prove that the finite difference admits an integral representation involving simplex spline functions.
Thomas Sauer, Yuan Xu
  +5 more sources

MULTIVARIATE AFFINE FRACTAL INTERPOLATION [PDF]

open access: yesFractals, 2020
Fractal interpolation functions capture the irregularity of some data very effectively in comparison with the classical interpolants. They yield a new technique for fitting experimental data sampled from real world signals, which are usually difficult to
M. Navascués, S. Katiyar, A. Chand
semanticscholar   +5 more sources

Multivariate Polynomial Interpolation for Cubical Zero-Dimensional Schemes

open access: goldAxioms
We compute the multigraded Hilbert function of general unions of certain degree-8 zero-dimensional schemes, called 2cubes, for the Segre 3-folds and the three-dimensional smooth quadric hypersurface.
Edoardo Ballico
doaj   +2 more sources

A Boolean sum interpolation for multivariate functions of bounded variation

open access: goldFrontiers in Applied Mathematics and Statistics
This paper deals with the approximation error of trigonometric interpolation for multivariate functions of bounded variation in the sense of Hardy-Krause.
Jürgen Prestin, Yevgeniya V. Semenova
doaj   +2 more sources

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