On the scalar rational interpolation problem

A. C. Antoulas*, B. D.Q. Anderson

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

156 Citations (Scopus)

Abstract

The rational interpolation problem in the scalar case, including multiple points, is solved. In particular a parametrization of all minimal-degree rational functions interpolating given pairs of points is derived. These considerations provide a generalization of the results on the partial realization of linear systems.

Original languageEnglish
Pages (from-to)61-88
Number of pages28
JournalIMA Journal of Mathematical Control and Information
Volume3
Issue number2-3
DOIs
Publication statusPublished - 1986

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