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  • 1965-1969  (2)
  • 1955-1959
  • 1966  (2)
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  • 1965-1969  (2)
  • 1955-1959
Year
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Computing 1 (1966), S. 224-232 
    ISSN: 1436-5057
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Description / Table of Contents: Summary The idea of regula falsi to use only function-values is extended to the computing of extreme-values by differentiable functions of several variables. Iterative methods of this kind will be found by approximating the function by an interpolation polynomial and by taking its extreme-value. The interpolation polynomial being appropriately chosen, the methods converge if the initial values approximate the solution sufficiently well. The speed of convergence is better than linear.
    Notes: Zusammenfassung Es wird die Idee der Regula falsi, allein mit Funktionswerten zu arbeiten, auf die Extremwertbestimmung bei differenzierbaren Funktionen von mehreren Veränderlichen übertragen. Derartige Iterationsverfahren lassen sich angeben, indem man die Funktion durch ein Interpolationspolynom ersetzt und als Näherung seine Extremwerte ermittelt. Bei geeigneter Wahl des Interpolationspolynoms erhält man Verfahren, die bei hinreichend guten Anfangsnäherungen stets konvergieren. Die Konvergenzgeschwindigkeit ist überlinear.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 348 (1966), S. 257-260 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: The crystal structure of the modification of TiBr4 stable at 20°C has been determined by X-ray methods. Its lattice is monoclinic, space group C2h5=P 21/c, with \documentclass{article}\pagestyle{empty}\begin{document}$$ {\rm a}_0 \, = \,10.17\,{\rm {\AA}};\,\,\,{\rm b}_{\rm 0} \, = \,7.09\,{\rm {\AA}};\,\,\,\,{\rm c}_{\rm 0} \, = \,10.41\,{\rm {\AA}};\,\,\beta \, = \,101^ \circ 58' $$\end{document}.The structure is an isotype of that of SnBr4.
    Notes: Die Kristallstruktur der bei 20°C stabilen Modifikation des TiBr4 wurde röntgenographisch untersucht. Sie ist monoklin, Raumgruppe C2h5—P 21/c, mit den Gitterkonstanten \documentclass{article}\pagestyle{empty}\begin{document}$$ {\rm a}_0 \, = \,10,17\,{\rm {\AA}};\,\,\,{\rm b}_{\rm 0} \, = \,7,09\,{\rm {\AA}};\,\,\,\,{\rm c}_{\rm 0} \, = \,10,41\,{\rm {\AA}};\,\,\beta \, = \,101^ \circ 58' $$\end{document}.Die Kristallstruktur ist der des SnBr4 isotyp.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
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