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Modifizierte Ritz-Verfahren

The modified Ritz-method

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Zusammenfassung

DieRitz-Methode zur Lösung einer linearen GleichungAx−y=0 ist einem Approximationsproblem bezüglich einer Norm ‖ ‖ R äquivalent, die mittelsA definiert ist. Hier wird eine modifizierteRitz-Methode betrachtet, die einem Approximationsproblem bezüglich einer Norm ‖ ‖ f äquivalent ist, die mittelsf(A) mit einer stetigen Funktionf definiert ist.

Summary

TheRitz method for solving a linear equationAx−y=0 is equivalent to an approximation problem with respect to a norm ‖ ‖ R , defined in terms ofA. In this paper a modifiedRitz method is considered, which is equivalent to an approximation problem with respect to a norm ‖ ‖ f , defined in terms off(A) with a continuous functionf.

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Literatur

  1. Nitsche, J.: Zur Konvergenzgeschwindigkeit desRitzschen Verfahrens und der Fehlerquadratmethode II. ZAMM49, 591–596 (1969).

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Schock, E. Modifizierte Ritz-Verfahren. Computing 7, 46–52 (1971). https://doi.org/10.1007/BF02279940

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  • DOI: https://doi.org/10.1007/BF02279940