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  • 1
    Call number: 18/M 06.0091
    Type of Medium: Monograph available for loan
    Pages: 1215 S. + 1 CD-ROM , Ill., graph. Darst. , 25 cm
    Edition: 2., aktualisierte und erw. Aufl.
    ISBN: 3898427498
    Location: Reading room
    Branch Library: GFZ Library
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  • 2
    Monograph available for loan
    Monograph available for loan
    Bonn : Rheinwerk Verlag
    Call number: 18/M 18.91300
    Description / Table of Contents: In diesem umfassenden Ratgeber finden Sie Antworten zu allen Fragen rund um Ihren Mac. Jürgen Wolf zeigt Ihnen, wie Ihr Mac funktioniert. Entdecken Sie die Möglichkeiten, die Ihnen macOS bietet, und richten Sie das System nach Ihren Bedürfnissen ein. Verständliche Schritt-für-Schritt-Anleitungen, anschauliche Screenshots und jede Menge Praxistipps machen dieses Buch zu einem verlässlichen Begleiter, den Sie im täglichen Umgang mit dem Mac bald nicht mehr missen möchten – egal, welchen Mac Sie nutzen.
    Type of Medium: Monograph available for loan
    Pages: 986 Seiten , Illustrationen , 25 m
    Edition: 1. Auflage
    ISBN: 9783842103108 , 3842103107
    Language: German
    Note: Die ersten Schritte am Mac --- Installation --- Mit dem Mac ins Internet --- Das Programm Mail verwenden --- iCloud - Die Datenwolke von Apple nutzen --- Nachrichten und Videotelefonie --- Programme installieren und verwalten --- Organisation und Büroarbeiten am Mac --- Pages, Numbers und Keynote - die Office-Apps --- iTunes und Apple Music --- Videos ansehen und bearbeiten --- Bilder verwalten und bearbeiten --- Die Benutzerverwaltung verstehen --- Backups mit Time Machine erstellen --- Terminal - Die Kommandozeile --- Windows mit Boot Camp installieren --- Automatisierung --- Hilfe bei Problemen
    Location: Upper compact magazine
    Branch Library: GFZ Library
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  • 3
    Unknown
    Bonn : Galileo Press
    Keywords: Shell ; Shellscript
    Description / Table of Contents: In den ersten zehn Kapiteln des Buches erfahren Sie alles, was Sie zur Shell-Programmierung wissen müssen. Weitere Kapitel gehen auf die unverzichtbaren Tools grep, sed und awk ein, die in Kombination (oder auch allein) mit der Shellscript-Programmierung zu wertvollen Helfern werden können.
    Pages: Online-Ressource (782 Seiten)
    Edition: 1. Aufl.
    ISBN: 3898426831
    Language: German
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  • 4
    Unknown
    Bonn : Galileo Press
    Keywords: C ; ANSI C
    Description / Table of Contents: Hier bekommen Sie C-Wissen pur. Egal, ob Sie gerade anfangen, C zu lernen oder ein kompetentes Nachschlagewerk für Fragen rund um C benötigen, mit diesem Buch sind Sie bestens beraten. Ausführlich werden die Grundlagen von C dargestellt, angefangen von den elementaren Datentypen bis hin zu Arrays, Zeigern und dynamischer Speicherverwaltung. Auch fortgeschrittene Themen wie das Programmieren von Webanwendungen mit der CGI-Schnittstelle und eigenen Datenbank-Clients mit der C-API von MySQL, Netzwerk- und Cross-Plattform-Entwicklung kommen nicht zu kurz.
    Pages: Online-Ressource (1190 Seiten)
    Edition: 3., akt. und erw. Aufl.
    ISBN: 9783836214117
    Language: German
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  • 5
    Unknown
    Bonn : Galileo Press
    Keywords: Betriebssystem ; Open Source ; LINUX ; UNIX
    Description / Table of Contents: Dieses Buch bietet einen umfassenden Einblick in die Systemprogrammierung unter Linux und Unix. Es ist für Leser mit Betriebssystem-Kenntnissen und C-Wissen geeignet. Aus dem Inhalt: Umfassende Einführung, E/A-Funktionen, Attribute von Dateien und Verzeichnissen, Zugriff auf Systeminformationen, Prozesse und Dämonprozesse, Umgebungsvariablen eines Prozesses, Signale, Interprozesskommunikation, Threads, Netzwerkprogrammierung, MySQL, Terminal E/A und Benutzerschnittstellen für die Konsole, Sicherheit, XWindow-Programmierung, Windowmanager, Systeminformationen, Devices, GTK+. Neu in dieser 2., erweiterten Auflage: ein Kapitel zu System- und Benutzerdateien, ein stark erweitertes Thread-Kapitel und Ausführungen zu Dämonen, Zombies und Prozessen und zu Unix-Domain-Sockets.
    Pages: Online-Ressource (1216 Seiten)
    Edition: 2., akt. und erw. Auf.
    ISBN: 9783898427494
    Language: German
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Manuscripta mathematica 28 (1979), S. 317-336 
    ISSN: 1432-1785
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract It is a well known theorem for Sturmian boundary value problems Lx=r Rx=0 that the pair (L, R=0) is inverse monotone (i. e. Lx ≧0, Rx=0 ⇒ x≧0) if there exists a weak majorizing element, i. e. a function z≧0 satisfying Lz≧0, Rz=0. We show that this criterion carries over to ordinary boundary value problems of arbitrary order if in addition there exists an inverse monotone pair ‘larger” than (L, R) in a certain sense. This follows from a variant of Schröder's theorem [10] combined with a result on strict monotonicity of nonnegative Green's functions. However, it will also be shown that the additional condition can only be dispensed with, if the boundary value problem is at most of the second order. Furthermore an analogous result holds, for elliptic boundary value problems in arbitrary dimensions.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Numerische Mathematik 29 (1978), S. 209-226 
    ISSN: 0945-3245
    Keywords: AMS(MOS): 65L 10 ; CR: 5.17
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Summary In this paper we give a simple stability theory for finite difference approximations to linear ordinary boundary value problems. In particular we consider stability with respect to a maximum norm including all difference quotients up to the order of the differential equation. It is shown that stability in this sense holds if and only if the principal part of the differential equation is discretized in a “stable way”. This last property is characterized by root conditions which we prove to be satisfied for some classes of finite difference schemes. Our approach simplifies and generalizes some known results of the literature where Sobolev norms or merely the maximum norm are used.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Numerische Mathematik 80 (1998), S. 1-38 
    ISSN: 0945-3245
    Keywords: Mathematics Subject Classification (1991): 34C35, 58F14, 65F50, 65H17
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Summary. In this paper we develop a numerical method for computing higher order local approximations of invariant manifolds, such as stable, unstable or center manifolds near steady states of a dynamical system. The underlying system is assumed to be large in the sense that a large sparse Jacobian at the equilibrium occurs, for which only a linear (black box) solver and a low dimensional invariant subspace is available, but for which methods like the QR–Algorithm are considered to be too expensive. Our method is based on an analysis of the multilinear Sylvester equations for the higher derivatives which can be solved under certain nonresonance conditions. These conditions are weaker than the standard gap conditions on the spectrum which guarantee the existence of the invariant manifold. The final algorithm requires the solution of several large linear systems with a bordered Jacobian. To these systems we apply a block elimination method recently developed by Govaerts and Pryce [12, 14].
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Numerische Mathematik 51 (1987), S. 103-122 
    ISSN: 0945-3245
    Keywords: AMS(MOS) 65L05, 58F08, 58F22 ; CR: G1.7
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Summary We show that a one-step method as applied to a dynamical system with a hyperbolic periodic orbit, exhibits an invariant closed curve for sufficiently small step size. This invariant curve converges to the periodic orbit with the order of the method and it inherits the stability of the periodic orbit. The dynamics of the one-step method on the invariant curve can be described by the rotation number for which we derive an asymptotic expression. Our results complement those of [2, 3] where one-step methods were shown to create invariant curves if the dynamical system has a periodic orbit which is stable in either time direction or if the system undergoes a Hopf bifurcation.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    The @journal of organic chemistry 46 (1981), S. 5119-5124 
    ISSN: 1520-6904
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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