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From "Ajo Fod (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MATH-1092) NonLinearConjugateGradientOptimizer's Line search is a gradient search returns obviously suboptimal point.
Date Wed, 22 Jan 2014 14:52:19 GMT
Ajo Fod created MATH-1092:
-----------------------------

             Summary: NonLinearConjugateGradientOptimizer's Line search is a gradient search
returns obviously suboptimal point.
                 Key: MATH-1092
                 URL: https://issues.apache.org/jira/browse/MATH-1092
             Project: Commons Math
          Issue Type: Bug
            Reporter: Ajo Fod


In package : org.apache.commons.math3.optim.nonlinear.scalar.gradient

In a minimization problem, a line search should not return a point where the value is greater
than the known minima. The line search violates this obvious requirement by focusing solely
on the gradient.






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