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Math Help - Negative Hessian of a convex function

  1. #16
    htg
    htg is offline
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    I think the problem was that I thought that the determinant of the Hessian matrix determines whether a function is convex. (I think this is a pretty popular belief). Now I see that we have to verify if the Hessian matrix is positive definite.
    Thanks for your help.
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  2. #17
    A Plied Mathematician
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    You're very welcome. Have a good one!
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