[petsc-users] Krylov-Schur Tolerance

[Jose E. Roman]

> El 20 feb 2017, a las 11:01, Christopher Pierce <cmpierce at WPI.EDU> escribió:
> 
> It seems to give the same results.  I exported the matrices to Matlab
> and checked the estimated condition number of the B matrix which came to
> ~15 and the 2-norm of the B matrix which was ~10^6.  I'm guessing that
> the large matrix norm is the problem.  I glanced over the source for the
> RQCG solver and it doesn't seem to use a linear solver which is likely
> why it showed better performance.  Do you have any suggestions for
> dealing with problems like this?
> 
> Chris

Send the data files to my personal email and I will make some tests.
Jose