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Document behaviour of QP solver if an indefinite Hessian is passed #3045

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@jajhall

Further to rust-or/highs#44, example

min x^2 + 4xy + y^2 s.t. x + y = 1 (variables free)

is non-convex.

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  1. self-assigned this
    on Jun 3, 2026
  2. jajhall commented on Jun 4, 2026

    @jajhall
    SponsorMemberAuthor

    @filikat The assertion in HiPO is exposed in test2 of the unit test issue-3045.

  3. jajhall commented on Jun 10, 2026

    @jajhall
    SponsorMemberAuthor

    Closed by #3056

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