O I 1 -1 durch die GauB-Quadraturformel Q I n n L w 0 f (x 0) • i=1 1 1 Sei Rn : = I - Q das Fehlerfunktional. n Izl1, Fur eine im Kreis Kr I Kr : = {z E a: holomorphe Funktion f, f(z) = L i=O sei f i i • = x . ( 1. 1) : = sup{ I a 0 I r i E:JN und R (qo) * O}, qo (x) o 1 n 1 1 In Xr := {f: f holomorph in Kr und Iflr < oo} ist I . I eine Seminorm. Das Fehlerfunktional Rn ist in r (X I· I r) stetig I und fUr II Rn II I r, gilt die Identitat 00 (1 . 2) L i=O Dieser Zugang zu ableitungsfreien Abschatzungen des Fehlerterms (1 • 3) geht auf Hammerlin [4] zurUck. 15 Erftillt die Gewichtsfunktion w eine der Bedingungen w (t ) w(t ) 1 2 ;;; (1. 4. a) w (-t ) w (-t ) 1 2 beziehungsweise w (t ) w(t ) 1 2 (1. 4. b) ~ w (-t ) w (-t ) 1 2 so gilt mit P (x) (X-X ) •. • (X-X ) ftir die Fehlernorm 1 n n r 1 Pn(x) (1. 5. a) --,-. . - J w (x) dx Pn(r) -1 r-x beziehungsweise r 1 P (x) (1. 5. b) ( ) J w(x) ~ dx .
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Seller: Cotswold Internet Books, Cheltenham, United Kingdom
Condition: Used - Very Good. VG hardback. 1st.ed. A tidy copy in tight binding. Proceedings of the conference at the Mathematisches Forschungsinstitut, Oberwolfach, June 24-30 1984. International Series of Numerical Mathematics (ISNM) vol.73. Used - Very Good. VG hardback. Seller Inventory # BOOKS057567I
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Edited by G. Hämmerlin and K.-H. Hoffmann. 284p., original green cloth (International series of numerical mathematics, 73). Seller Inventory # 003469
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