[ https://issues.apache.org/jira/browse/MATH-664?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Gilles resolved MATH-664. ------------------------- Resolution: Fixed Revision 1232846. > Replace "LUDecompostionImpl" with "QRDecompositionImpl" in > "AbstractLeastSquaresOptimizer" > ------------------------------------------------------------------------------------------ > > Key: MATH-664 > URL: https://issues.apache.org/jira/browse/MATH-664 > Project: Commons Math > Issue Type: Improvement > Reporter: Gilles > Assignee: Gilles > Priority: Minor > Fix For: 3.0 > > > In some cases, the "getCovariances()" method throws a > "SingularMatrixException". This can be avoided by using "QR" instead of "LU" > decomposition. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira