LANCELOT_simple, a simple interface to LANCELOT B

Nick Gould, Dominique Orban, Philippe Toint

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    Abstract

    We describe LANCELOT_simple, an interface to the LANCELOT B nonlinear optimization package within the GALAHAD library (Conn, Gould, Toint, 1992) which ignores problem structure. The result is an easy-to-use Fortran 90 subroutine, with a small number of intuitively interpretable arguments. However, since structure is ignored, the means of presenting problems to the solver limited and the choice of algorithmic parameters considerably restricted, the performance is likely to be sub-optimal. The proposed interface may nevertheless be useful for users interested in the solution of simple low-dimensional problems when ease of interface matters more than actual numerical efficiency.
    Original languageEnglish
    PublisherFUNDP, Faculté des Sciences. Département de Mathématique.
    Publication statusPublished - 2007

    Publication series

    NameRapport interne
    PublisherDepartment of Mathematics, University of Namur
    Volume7

    Keywords

    • nonlinear optimization
    • interface
    • software

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