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Nonexistence of extended Gauss-Laguerre and Gauss-Hermite quadrature rules with positive weights

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Abstract

A simple necessary condition on the nodes is used to establish that extended Gauss-Laguerre and Gauss-Hermite quadrature formulas (Kronrod type) do not exist with positive weights whenn>0 in the Laguerre case andn=3 orn>4 in the Hermite case.

Zusammenfassung

Mit Hilfe einer einfachen notwendigen Bedingung für die Knoten wird gezeigt, daß keine erweiterten Gauß-Laguerre- bzw. Gauß-Hermite-Quadraturformeln (vom Kronrod-Typ) mit positiven Gewichten existieren, wenn im Falle der ersterenn>0, im Falle der letzterenn=3 odern>4 gilt.

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Bibliography

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Work supported by DOE contract #W-7405-ENG. 36, the Italian Research Concil and ETH-Zürich, Forschungs-institut für Mathematik.

Supported by the Italian Research Council.

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Kahaner, D.K., Monegato, G. Nonexistence of extended Gauss-Laguerre and Gauss-Hermite quadrature rules with positive weights. Journal of Applied Mathematics and Physics (ZAMP) 29, 983–986 (1978). https://doi.org/10.1007/BF01590820

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  • DOI: https://doi.org/10.1007/BF01590820

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