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. For more information on JIRA, see: http://www.atlassian.com/software/jira