231 search results - page 1 / 47 » Parallel algorithms for indefinite linear systems |
PC
2002
13 years 4 months ago
2002
Saddle-point problems give rise to indefinite linear systems that are challenging to solve via iterative methods. This paper surveys two recent techniques for solving such problem...
CORR
2010
Springer
13 years 5 months ago
2010
Springer
Abstract. CG, SYMMLQ, and MINRES are Krylov subspace methods for solving large symmetric systems of linear equations. CG (the conjugate-gradient method) is reliable on positive-def...
AUTOMATICA
2006
13 years 5 months ago
2006
A block Toeplitz algorithm is proposed to perform the J-spectral factorization of a para-Hermitian polynomial matrix. The input matrix can be singular or indefinite, and it can ha...
IPPS
2000
IEEE
13 years 9 months ago
2000
IEEE
PARLE
1993
13 years 9 months ago
1993
: An arithmetic approach, such as the Level-Finding method described in this paper for evaluating linear recursive queries in deductive database systems provides great potential fo...