Electronic Resource
Springer
Integral equations and operator theory
21 (1995), S. 24-32
ISSN:
1420-8989
Keywords:
Primary 30E05
;
47A57
Source:
Springer Online Journal Archives 1860-2000
Topics:
Mathematics
Notes:
Abstract In this note we show that theH 2 optimization of theH ∞ interpolant in the Carathéodory-Schur problem reduces to a finite dimensional albeit very nonlinear problem. Moreover we prove that theH 2-optimalH ∞ interpolant can be rational only in the trivial case, namely when it coincides with the original given polynomial.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF01262990
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