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[MATH-1082] Add missing change entry. 

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1554545 13f79535-47bb-0310-9956-ffa450edef68
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Thomas Neidhart 2013-12-31 15:41:30 +00:00
parent edf56632b8
commit 8fac2db60a
1 changed files with 6 additions and 0 deletions
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src/changes/changes.xml
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@ -51,6 +51,12 @@ If the output is not quite correct, check for invisible trailing spaces!
</properties> </properties>
<body> <body>
<release version="3.3" date="TBD" description="TBD"> <release version="3.3" date="TBD" description="TBD">
<action dev="tn" type="fix" issue="MATH-1082">
The cutOff mechanism of the "SimplexSolver" in package o.a.c.math3.optim.linear
could lead to invalid solutions. The mechanism has been improved in a way that
the tableau does not need to be updated anymore. Additionally, a new check will
prevent impossible solutions to be returned as valid.
</action>
<action dev="tn" type="fix" issue="MATH-1079"> <action dev="tn" type="fix" issue="MATH-1079">
Improved performance of "SimplexSolver" in package o.a.c.math3.optim.linear by Improved performance of "SimplexSolver" in package o.a.c.math3.optim.linear by
directly performing row operations and keeping track of the current basic variables. directly performing row operations and keeping track of the current basic variables.