Browsing by Autor "W. Oettli"

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    Technical Note—Direct Proof of the Existence Theorem for Quadratic Programming
    (Institute for Operations Research and the Management Sciences, 1972) E. K. Blum; W. Oettli
    A direct analytical proof is given for the following theorem: If the infimum of a quadratic function on a nonempty (possibly unbounded) polyhedral set R ⊆ ℛ n is finite, then the infimum is assumed somewhere on R, thus being a minimum.