Adaptive point shifts in rational approximation with optimized denominator

Classical rational interpolation is known to suffer from several drawbacks, such as unattainable points and randomly located poles for a small number of nodes, as well as an erratic behavior of the error as this number grows larger. In a former article, we have suggested to obtain rational interpola...

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Veröffentlicht in:	Journal of computational and applied mathematics 2004-03, Vol.164 (Complete), p.81-92
Hauptverfasser:	Berrut, Jean-Paul, Mittelmann, Hans D.
Format:	Artikel
Sprache:	eng
Schlagworte:	Interpolation Optimal interpolation Point shifts Rational approximation
Online-Zugang:	Volltext
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