On the selection of a transversal to solve nonlinear systems with interval arithmetic

  • Authors:
  • Frédéric Goualard;Christophe Jermann

  • Affiliations:
  • LINA, FRE CNRS 2729, University of Nantes – France, Nantes cedex 3;LINA, FRE CNRS 2729, University of Nantes – France, Nantes cedex 3

  • Venue:
  • ICCS'06 Proceedings of the 6th international conference on Computational Science - Volume Part I
  • Year:
  • 2006

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Abstract

This paper investigates the impact of the selection of a transversal on the speed of convergence of interval methods based on the nonlinear Gauss-Seidel scheme to solve nonlinear systems of equations. It is shown that, in a marked contrast with the linear case, such a selection does not speed up the computation in the general case; directions for researches on more flexible methods to select projections are then discussed.