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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