On Tue, Apr 5, 2011 at 06:10, Barry Smith <bsmith at mcs.anl.gov> wrote:
> They are done to change the relative importance of different entries in the > vector to determine stopping conditions and search directions in Newton's > method. Note that weighting fields differently is equivalent to choosing units for the different fields. I think it is generally a good idea to make the units a runtime option anyway since it lets you check that the code is dimensionally correct. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20110405/cd46a8fa/attachment.htm>
