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  • Bradley-Terry model  (1)
  • Interior-point methods  (1)
  • Mathematics Subject Classification (1991): 90C25, 90C33  (1)
  • 1
    Digitale Medien
    Digitale Medien
    Presolving in linear programming (1995)
    Springer
    Mathematical programming 71 (1995), S. 221-245 
    Details
    ISSN: 1436-4646
    Schlagwort(e): Linear programming ; Presolving ; Interior-point methods
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Informatik , Mathematik
    Notizen: Abstract Most modern linear programming solvers analyze the LP problem before submitting it to optimization. Some examples are the solvers WHIZARD (Tomlin and Welch, 1983), OB1 (Lustig et al., 1994), OSL (Forrest and Tomlin, 1992), Sciconic (1990) and CPLEX (Bixby, 1994). The purpose of the presolve phase is to reduce the problem size and to discover whether the problem is unbounded or infeasible. In this paper we present a comprehensive survey of presolve methods. Moreover, we discuss the restoration procedure in detail, i.e., the procedure that undoes the presolve. Computational results on the NETLIB problems (Gay, 1985) are reported to illustrate the efficiency of the presolve methods.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01586000
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  • 2
    Digitale Medien
    Digitale Medien
    Paired comparisons with individual differences (1976)
    Springer
    Psychometrika 41 (1976), S. 141-157 
    Details
    ISSN: 1860-0980
    Schlagwort(e): Bradley-Terry model ; sufficiency ; individual parameters ; goodness of fit
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Psychologie
    Notizen: Abstract A model of Bradley-Terry type for paired comparisons is considered. In addition to the usual parameters, the model allows for individual parameters and corresponding parameters for the choice-alternatives. The model is applied to a set of data from a Danish investigation of the attitude of blue collar workers towards alternative social gains. The proposed model is finally compared to a model recently suggested by Schönemann and Wang.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02291835
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  • 3
    Digitale Medien
    Digitale Medien
    On a homogeneous algorithm for the monotone complementarity problem (1999)
    Springer
    Mathematical programming 84 (1999), S. 375-399 
    Details
    ISSN: 1436-4646
    Schlagwort(e): Key words: monotone complementarity problem – homogeneous and self-dual – infeasible-starting algorithm ; Mathematics Subject Classification (1991): 90C25, 90C33
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Informatik , Mathematik
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/s101070050027
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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