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From "Benjamin McCann (JIRA)" <j...@apache.org>
Subject [jira] Created: (MATH-273) Basic variable is not found correctly in simplex tableau
Date Wed, 03 Jun 2009 05:12:07 GMT
Basic variable is not found correctly in simplex tableau
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                 Key: MATH-273
                 URL: https://issues.apache.org/jira/browse/MATH-273
             Project: Commons Math
          Issue Type: Bug
    Affects Versions: 2.0
            Reporter: Benjamin McCann
             Fix For: 2.0


The last patch to SimplexTableau caused an automated test suite I'm running at work to go
down a new code path and uncover what is hopefully the last bug remaining in the Simplex code.
SimplexTableau was assuming an entry in the tableau had to be nonzero to indicate a basic
variable, which is incorrect - the entry should have a value equal to 1.

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