We experiment with nonsymmetric permutations and scalings aimed at placing large entries on the diagonal in the context of preconditioning for general sparse ...

The original TPABLO algorithms are a collection of algorithms which compute a symmetric permutation of a linear system such that the permuted system has a ...

We propose and analyze three extensions of this approach: we incorporate an unsymmetric permutation to obtain a large diagonal, we use a more general ...

May 29, 2006 · We propose and analyze three extensions of this approach: we incorporate a nonsymmetric permutation to obtain a large diagonal, we use a more ...

Oct 22, 2024 · The original TPABLO algorithms are a collection of algorithms which compute a symmetric permutation of a linear system such that the ...

The original TPABLO algorithms are a collection of algorithms which compute a symmetric permutation of a linear system such that the permuted system has a ...

Apr 25, 2024 · Szyld : Extensions of Certain Graph-based Algorithms for Preconditioning. SIAM J. Sci. Comput. 29(5): 2144-2161 (2007). [+][–]. Coauthor ...

On the iterative method side, we discuss preconditioning techniques including incomplete factorization preconditioners, support graph preconditioners, and ...

Extensions of Certain Graph-based Algorithms or Preconditioning , SIAM Journal on Scientific Computing, vol. 29 (2007) pp. 2144-2161. With Marcus Sarkis ...

Frommer, and D. B. Szyld. Extensions of certain graph-based algorithms for preconditioning. SIAM Journal on Scientific Computing, 29:2144–2161, 2007.