5115 search results - page 2 / 1023 » On Randomized Lanczos Algorithms |
PARA
2004
Springer
13 years 10 months ago
2004
Springer
Rational Krylov is an extension of the Lanczos or Arnoldi eigenvalue algorithm where several shifts (matrix factorizations) are used in one run. It corresponds to multipoint moment...
IPPS
2000
IEEE
13 years 10 months ago
2000
IEEE
Parallel solution of irregular problems require solving the graph partitioning problem. The extended eigenproblem appears as the solution of some relaxed formulations of the graph ...
IPPS
1999
IEEE
13 years 9 months ago
1999
IEEE
In this paper we present new algorithms for spectral graph partitioning. Previously, the best partitioning methods were based on a combination of Combinatorial algorithms and appli...
SCL
2010
13 years 3 months ago
2010
Structured singular values and pseudospectra play an important role in assessing the properties of a linear system under structured perturbations. This paper discusses computation...
PAMI
2010
13 years 3 months ago
2010
—Multigrid solvers proved very efficient for solving massive systems of equations in various fields. These solvers are based on iterative relaxation schemes together with the app...