[HTML][HTML] Recent advances in linear barycentric rational interpolation

JP Berrut, G Klein - Journal of Computational and Applied Mathematics, 2014 - Elsevier
Well-conditioned, stable and infinitely smooth interpolation in arbitrary nodes is by no means
a trivial task, even in the univariate setting considered here; already the most important case …

Barycentric lagrange interpolation

JP Berrut, LN Trefethen - SIAM review, 2004 - SIAM
Barycentric Lagrange Interpolation Page 1 SIAM REVIEW c 2004 Society for Industrial and
Applied Mathematics Vol. 46, No. 3, pp. 501–517 Barycentric Lagrange Interpolation ∗ Jean-Paul …

Barycentric rational interpolation with no poles and high rates of approximation

MS Floater, K Hormann - Numerische Mathematik, 2007 - Springer
It is well known that rational interpolation sometimes gives better approximations than
polynomial interpolation, especially for large sequences of points, but it is difficult to control …

Berrut approximated coded computing: Straggler resistance beyond polynomial computing

T Jahani-Nezhad… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
One of the major challenges in using distributed learning to train complicated models with
large data sets is to deal with stragglers effect. As a solution, coded computation has been …

Exponential convergence of a linear rational interpolant between transformed Chebyshev points

R Baltensperger, JP Berrut, B Noël - Mathematics of Computation, 1999 - ams.org
EXPONENTIAL CONVERGENCE OF A LINEAR RATIONAL INTERPOLANT BETWEEN
TRANSFORMED CHEBYSHEV POINTS Introduction Let f be a complex fu Page 1 …

[HTML][HTML] Polynomial interpolation via mapped bases without resampling

S De Marchi, F Marchetti, E Perracchione… - Journal of Computational …, 2020 - Elsevier
In this work we propose a new method for univariate polynomial interpolation based on what
we call mapped bases. As theoretically shown, constructing the interpolating function via the …

Linear rational finite differences from derivatives of barycentric rational interpolants

G Klein, JP Berrut - SIAM Journal on Numerical Analysis, 2012 - SIAM
Derivatives of polynomial interpolants lead in a natural way to approximations of derivatives
of the interpolated function, eg, through finite differences. We extend a study of the …

The barycentric rational difference-quadrature scheme for systems of Volterra integro-differential equations

A Abdi, SA Hosseini - SIAM Journal on Scientific Computing, 2018 - SIAM
In this paper, two applications of linear barycentric rational interpolation are used to derive a
difference-quadrature scheme for solving a class of systems of Volterra integro-differential …

Linear barycentric rational collocation method for solving telegraph equation

J Li, X Su, J Qu - Mathematical Methods in the Applied …, 2021 - Wiley Online Library
In this paper, the linear barycentric rational interpolation collocation method for solving one‐
and two‐dimensional telegraph equation is presented. The barycentric rational interpolation …

Convergence rates of derivatives of a family of barycentric rational interpolants

JP Berrut, MS Floater, G Klein - Applied numerical mathematics, 2011 - Elsevier
In polynomial and spline interpolation the k-th derivative of the interpolant, as a function of
the mesh size h, typically converges at the rate of O (h d+ 1− k) as h→ 0, where d is the …