Are you sure you want to assemble it? Unless you factor it, maybe maintaining it unassembled is better.
Matt On Tue, Dec 8, 2009 at 4:05 PM, Anirban Chatterjee <achatter at cse.psu.edu>wrote: > Hi, > > I have an nxn matrix A, a column vector v and a scalar c. I want to > assemble a matrix B as follows, > B = [A v; > v^T c] > Can someone tell me the easiest and most efficient way to do this. > > --Anirban > -- What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead. -- Norbert Wiener -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20091208/74495fc6/attachment.htm>
