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[Octave-bug-tracker] [bug #57113] fminunc return wrong Hessian matrix


From: anonymous
Subject: [Octave-bug-tracker] [bug #57113] fminunc return wrong Hessian matrix
Date: Thu, 24 Oct 2019 17:51:58 -0400 (EDT)
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.1 Safari/605.1.15

URL:
  <https://savannah.gnu.org/bugs/?57113>

                 Summary: fminunc return wrong Hessian matrix
                 Project: GNU Octave
            Submitted by: None
            Submitted on: Thu 24 Oct 2019 09:51:57 PM UTC
                Category: Octave Function
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Incorrect Result
                  Status: None
             Assigned to: None
         Originator Name: Flynn_Cz
        Originator Email: address@hidden
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 5.1.0
        Operating System: Mac OS

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Details:

Hi! Minimising f(x, y) = x^2 + y^2 the function return the obvious wrong
hessian matrix

H = [1.51691   0.47148
        0.47148   1.53984]

Bye!




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