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  • 15A23  (1)
  • Springer  (1)
  • American Institute of Physics
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  • Springer  (1)
  • American Institute of Physics
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    Electronic Resource
    Electronic Resource
    Springer
    Computing 56 (1996), S. 385-395 
    ISSN: 1436-5057
    Keywords: 65F05 ; 15A23 ; nCUBE/2E multiprocessors ; matrix perturbation ; parallel algorithm ; performance ; ring network ; tridiagonal Toeplitz linear systems
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Description / Table of Contents: Zusammenfassung Wir betrachten die Lösung einer Klasse von speziellen tridiagonalen Gleichungssystemen, die schiefsymmetrische und Töplitz-Systeme einschließt, und geben einen schnellen, parallelen, Algorithmus dafür an. Bei Vorliegen von Diagonal-Dominanz benötigt unser paralleler Solver nur Kommunikation zwischen benachbarten Prozessoren auf einem Ring-Netzwerk. Eine Fehleranalyse wird angegeben. Einige experimentelle Resultate, die auf einem nCUBE/2E Gerät gewonnen wurden, zeigen das gute Verhalten unseres stabilen, parallelen Solvers.
    Notes: Abstract The solution of special linear, circulant-tridiagonal systems is considered. In this paper, a fast parallel algorithm for solving the special tridiagonal systems, which includes the skew-symmetric and tridiagonal-Toeplitz systems, is presented. Employing the diagonally dominant property, our parallel solver does need only local communications between adjacent processors on a ring network. An error analysis is also given. On the nCUBE/2E multiprocessors, some experimental results demonstrate the good performance of our stable parallel solver.
    Type of Medium: Electronic Resource
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