Re: [petsc-users] Weighted Jacobi, and scaling 2nd matrix in KSPSetOperators

2016-02-22 Thread Timothée Nicolas
Yes, exactly. I'm really sorry, I just sent the e-mail without thinking enough... My bad. Thanks 2016-02-22 15:28 GMT-07:00 Dave May : > > > On 22 February 2016 at 23:16, Timothée Nicolas > wrote: > >> Hi all, >> >> It sounds it should be obvious but I can't find it somehow. I would like >> to

Re: [petsc-users] Weighted Jacobi, and scaling 2nd matrix in KSPSetOperators

2016-02-22 Thread Dave May
On 22 February 2016 at 23:16, Timothée Nicolas wrote: > Hi all, > > It sounds it should be obvious but I can't find it somehow. I would like > to use weighted jacobi (more precisely point block jacobi) as a smoother > for multigrid, but I don't find the options to set a weight omega, after I > se

[petsc-users] Weighted Jacobi, and scaling 2nd matrix in KSPSetOperators

2016-02-22 Thread Timothée Nicolas
Hi all, It sounds it should be obvious but I can't find it somehow. I would like to use weighted jacobi (more precisely point block jacobi) as a smoother for multigrid, but I don't find the options to set a weight omega, after I set -mg_levels_pc_type pbjacobi So I was thinking I could just artif