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From "Buharov Alexander (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MATH-1108) SimplexSolver returns TooManyIterationsException
Date Tue, 04 Mar 2014 05:53:20 GMT
Buharov Alexander created MATH-1108:
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             Summary: SimplexSolver returns TooManyIterationsException
                 Key: MATH-1108
                 URL: https://issues.apache.org/jira/browse/MATH-1108
             Project: Commons Math
          Issue Type: Bug
    Affects Versions: 3.1.1, 3.2
            Reporter: Buharov Alexander


We have vector v and matrix s (from file S.txt)
v - vector ( size: 1*649 )
s - matrix ( size: 554*649 )
We want solve linear problem:
         *     max (v[31])
         *     Bounds:
         *          s*v = 0
         *          -1 <= v[i] <= 1 for i=0,..., 648 
We set different MaxIter parameter (from 100 to 1e+6). And we changed epsilon ( set default
value and 1e-3).  But solver always throws TooManyIterationsException (and work very slow).



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