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  • 47H05  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Computing 39 (1987), S. 261-270 
    ISSN: 1436-5057
    Keywords: 47H05 ; 65H10 ; 65G10 ; Systems of equations ; iteration methods ; interval operators
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Description / Table of Contents: Zusammenfassung IntervalloperatorenF werden diskutiert, mit deren Hilfe man durch Iteration eine inklusionsmonotone Intervallfolge erzeugen kann. Für zwei Typen von Intervalloperatoren —K- undN-Operator-kann bewiesen werden, daßX 1⊆X 0 undX k+1 :=F(X k ),k=0,1,…,X k+1 ⊆X k für allek impliziert. Es wird auch die Konvergenzgeschwindigkeit der Intervallfolgen untersucht.
    Notes: Abstract Interval operatorsF for constructing inclusion monotone interval sequences by iteration methods are discussed. IfX 1⊆X 0 andX k+1 :=F(X k ,k=0,1,…, then for two types of operators—aK-and anN-operator-it can be proved thatX k+1 ⊆X k for allk. Also the speed of convergence of the interval sequence will be explored.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Computing 28 (1982), S. 117-137 
    ISSN: 1436-5057
    Keywords: 04A05 ; 41A25 ; 41A35 ; 47H05 ; 65G10 ; Centered form ; interval arithmetic ; quadratic convergence ; inclusion isotonicity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Description / Table of Contents: Abstract Letf: ℝ n →ℝ be Lipschitz continuous. The corresponding centered form off is considered and appropriate interval inclusionsF are given. At first the phenomenon of the “quadratic convergence” ofF is treated. Subsequently functionsF are constructed which are inclusion isotone.
    Notes: Zusammenfassung Zu einer lipschitzstetigen Funktionf: ℝ n →ℝ wird die zentrische Form betrachtet und es werden zugehörige Intervall-EinschließungenF angegeben. Es wird einerseits das Phänomen der “quadratischen Konvergenz” vonF behandelt. Andererseits werden Funktionen vonF angegeben, die inklusionsisoton sind.
    Type of Medium: Electronic Resource
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