Is there any link with "Incremental Condition Estimation" (ICE) developed by Bischof in LAPACK with Petsc to evaluate Extremal singular values? Thanks, Behzad. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20111107/dc4064bc/attachment.htm>