On hermite interpolation by Cauchy-Vandermonde systems

The Lagrange formula, the adjoint and the inverse of a Cauchy-Vandermonde matrix

verfasst von
G. Mühlbach
Abstract

For a given Cauchy-Vandermonde system and for given multiple nodes a Lagrange-type formula for the interpolant is derived, interpolating a given function in the sense of Hermite. We give explicit analytic representations of the basic functions in terms of the nodes and prescribed poles. They are used to derive formulas for the entries of the adjoint of the confluent Cauchy-Vandermonde matrix corresponding to the interpolation problem thus providing an explicit representation of its inverse.

Organisationseinheit(en)
Institut für Angewandte Mathematik
Typ
Artikel
Journal
Journal of Computational and Applied Mathematics
Band
67
Seiten
147-159
Anzahl der Seiten
13
ISSN
0377-0427
Publikationsdatum
20.02.1996
Publikationsstatus
Veröffentlicht
Peer-reviewed
Ja
ASJC Scopus Sachgebiete
Computational Mathematics, Angewandte Mathematik
Elektronische Version(en)
https://doi.org/10.1016/0377-0427(94)00116-2 (Zugang: Offen)