Make AMD Ordering numerically more robust
Submitted by Gael Guennebaud @ggael
Assigned to Nobody
Link to original bugzilla bug (#751)
Description
See this thread: http://forum.kde.org/viewtopic.php?f=74&t=106962
AMD introduces zeros at the beginning of the diagonal which is pretty bad. Ideally, SimplicialLDLT could even do numerical pivoting, either dynamically (difficult) or statically.
Blocking
Edited by Eigen Bugzilla