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Estimate of error of an approximated solution by the method of moments of an operator equation

For an equationAu = f whereA is a closed densely defined operator in a Hilbert spaceH, f εH, we estimate the deviation of its approximated solution obtained by the moment method from the exact solution. All presented theorems are of direct and inverse character. The paper refers to direct methods of...

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Datum:	1996
Hauptverfasser:	Gorbachuk, M. L., Yakymiv, R. Ya., Горбачук, М. Л., Якимів, Р. Я.
Format:	Artikel
Sprache:	Ukrainisch Englisch
Veröffentlicht:	Institute of Mathematics, NAS of Ukraine 1996
Online Zugang:	https://umj.imath.kiev.ua/index.php/umj/article/view/5201
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Назва журналу:	Ukrains’kyi Matematychnyi Zhurnal
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