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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 111 (1984), S. 0 
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Computing 32 (1984), S. 1-11 
    ISSN: 1436-5057
    Keywords: 65 H ; 65 J ; Nonlinear equation ; monotonous enclosure ; perturbation ; Newton- ; Regula falsi- ; Jacobi-Newton-type methods
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Description / Table of Contents: Zusammenfassung Es werden nichtlineare Gleichungen betrachtet, die in gewissen Eingangsparametern störungsbehaftet sind. Durch eine Klasse monoton einschließender Verfahren werden Folgen von Intervallen konstruiert, die für jeden Wert der Störungsparameter mindestens eine Nullstelle der Aufgabe enthalten. Für endlich-dimensionale Räume werden u. a. Verfahrensrealisierungen vom Newton-, Regula falsi- und Jacobi-Newton-Typ angegeben.
    Notes: Abstract Nonlinear equations are considered, where some input parameters are subjected to errors. By a class of monotone enclosing methods sequences of intervals are constructed, containing for each value of the perturbation parameter at least one zero of the problem. In finite dimensional spaces concrete realizations are given, e. g. of Newton-, Regula falsi- and Jacobi-Newton-type.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Computing 33 (1984), S. 37-49 
    ISSN: 1436-5057
    Keywords: 65H10 ; 90C30 ; 15A48 ; Iterative processes ; bestR-orders ; cone radius of concave operators ; spectral radii ; partial ordering
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Description / Table of Contents: Zusammenfassung Die Berechnung der bestenR-Ordnung von Folgen aus iterativen Näherungsverfahren führt auf die Ermittlung des hier eingeführten Kegelradius bestimmter konkaver Operatoren. Das Hauptergebnis der Arbeit ist die Darstellung des Kegelradius als Infimum der Spektralradien aller den konkaven Operator majorisierenden linearen Operatoren. Diese Charakterisierung ist von numerischem Intersse.
    Notes: Abstract The computation of bestR-orders of sequences produced by iterative methods leads to the determination of the cone radius of certain concave operators. The main result of the paper is the representation of the cone radius as the infimum of spectral radii of all linear operators majorizing the concave operator. This characterization is of numerical interest.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 0306-042X
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The fragmentation behaviour of clavine alkaloids is discussed in relation to the influence of the ring D structure. The appearance of significant ions is correlated with structural features of clavines. Using linked scan techniques and deuterium labelling some mechanistic approaches were made.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
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