nukeguy
  • Member for 5 years, 7 months
  • Last seen more than a month ago
  • Livermore, CA, USA
5 answers
18 votes
3k views
12 bookmarks
What is the advantage of multigrid over domain decomposition preconditioners, and vice versa?
1 answers
17 votes
2k views
10 bookmarks
Can a Krylov subspace method be used as a smoother for multigrid?
2 answers
17 votes
4k views
10 bookmarks
Stopping criteria for iterative linear solvers applied to nearly singular systems
1 answers
15 votes
733 views
4 bookmarks
What is the current state of polynomial preconditioners?
1 answers
11 votes
2k views
4 bookmarks
How can one parallelize a multigrid method for solving a linear system of equations?
1 answers
11 votes
7k views
8 bookmarks
Are there any heuristics for optimizing the successive over-relaxation (SOR) method?
2 answers
7 votes
777 views
2 bookmarks
How to use grid sizes that are not powers of two in Geometric Multigrid
2 answers
6 votes
5k views
2 bookmarks
When to stop Gauss-Seidel-iterations?
2 answers
4 votes
1k views
3 bookmarks
Lax-Richtmyer stability analysis
1 answers
2 votes
611 views
1 bookmarks
How to convert MPIAIJ to SEQAIJ matrix in petsc/petsc4py?