Preprocessing for quadratic programming

Nick Gould, Philippe Toint

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    Techniques for the preprocessing of (not-necessarily convex) quadratic programs are discussed. Most of the procedures extend known ones from the linear to quadratic cases, but a few new preprocessing techniques are introduced. The implementation aspects are also discussed. Numerical results are finally presented to indicate the potential of the resulting code, both for linear and quadratic problems. The impact of insisting that bounds of the variables in the reduced problem be as tight as possible rather than allowing some slack in these bounds is also shown to be numerically significant. © Springer-Verlag Berlin Heidelberg 2004.
    Original languageEnglish
    Pages (from-to)95-132
    Number of pages38
    JournalMathematical Programming
    Issue number1
    Publication statusPublished - 1 May 2004


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