The BiM code for the numerical solution of ODEs

  • Authors:
  • Luigi Brugnano;Cecilia Magherini

  • Affiliations:
  • Dipartimento di Matematica "U. Dini", Università di Firenze Viale Morgagni 67/A, Firenze 50134, Italy;Dipartimento di Matematica "U. Dini", Università di Firenze Viale Morgagni 67/A, Firenze 50134, Italy

  • Venue:
  • Journal of Computational and Applied Mathematics - Special Issue: Proceedings of the 10th international congress on computational and applied mathematics (ICCAM-2002)
  • Year:
  • 2004

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Abstract

In this paper we present the code BiM, based on blended implicit methods (J. Comput. Appl. Math. 116 (2000) 41; Appl. Numer. Math. 42 (2002) 29; Recent Trends in Numerical Analysis, Nova Science Publ. Inc., New York. 2001, pp. 81.), for the numerical solution of stiff initial value problems for ODEs. We describe in detail most of the implementation strategies used in the construction of the code, and report numerical tests comparing the code BiM with some of the best codes currently available. The numerical tests show that the new code compares well with existing ones. Moreover, the methods implemented in the code are characterized by a diagonal nonlinear splitting, which makes its extension for parallel computers very straightforward.