On Wed, Apr 20, 2011 at 17:05, Thomas Witkowski < thomas.witkowski at tu-dresden.de> wrote:
> Following the mathematical representation wouldn't make it more sense to > store B but B^T, because the local matrices B_i^T are real local and would > have no off-diagonal elements? > They really can't because sometimes the Lagrange multiplier itself will be stored on a different process. Also, this representation has lots of empty rows where as storing B, every row has entries (usually 2 entries). -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-dev/attachments/20110420/3f96682c/attachment.html>
