"result is incorrect" is not helpful. Please include diagnostics. Are you using an iterative or direct solver? Start here if you don't know what to check:
http://scicomp.stackexchange.com/questions/513/why-is-my-iterative-linear-solver-not-converging On Thu, Jan 31, 2013 at 9:58 AM, Alex Salazar <alejandrocof at gmail.com>wrote: > Hello, everyone > > I want to get the solution of algrebraic system (with a dense > zero-diagonal simetric matrix) of a interpolation problem (using radial > basis functions) with Petsc. > > For a few points (around 10 elements) using KSP I get the correct > solution, however when I increase the number of points, the result is > incorrect. > > Any Idea ? > > Regards Alejandro. > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20130131/5548bcf3/attachment.html>
