Sorry, I made a mistake in my previous e-mail. The situation is as follows: when I use flag -snes_mf the code does not crash. But if I want to use my jacobian routine, then it crashes. Thank you, Michael.
On 01/23/2012 12:56 AM, Michael Povolotskyi wrote: > On 1/23/2012 12:53 AM, Jed Brown wrote: >> On Sun, Jan 22, 2012 at 23:38, Michael Povolotskyi >> <[email protected]<mailto:[email protected]>> wrote: >> >> Here it is ( I put a break point at PetscError): >> >> >> Did you implement a Jacobian evaluation routine? You can run with >> -snes_mf to use matrix-free finite differencing with no >> preconditioner, but convergence may be very slow. >> > Yes, I have my Jacobian evaluation. > When I use -snes_mf, it does crash, but there is no convergence. > Do you have an idea what can be the problem? > Michael. > ------------------------------------------------------------------------------ > Try before you buy = See our experts in action! > The most comprehensive online learning library for Microsoft developers > is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, > Metro Style Apps, more. Free future releases when you subscribe now! > http://p.sf.net/sfu/learndevnow-dev2 > _______________________________________________ > Libmesh-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/libmesh-users -- Michael Povolotskyi, PhD Research Assistant Professor Network for Computational Nanotechnology School of Electrical and Computer Engineering 207 S Martin Jischke Drive Purdue University, DLR, room 441-10 West Lafayette, Indiana 47907 phone: +1-765-494-9396 fax: +1-765-496-6026 ------------------------------------------------------------------------------ Try before you buy = See our experts in action! The most comprehensive online learning library for Microsoft developers is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when you subscribe now! http://p.sf.net/sfu/learndevnow-dev2 _______________________________________________ Libmesh-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/libmesh-users
