130 search results - page 2 / 26 » Wavelet based preconditioners for sparse linear systems |
PPAM
2001
Springer
13 years 9 months ago
2001
Springer
This paper presents an overview of pARMS, a package for solving sparse linear systems on parallel platforms. Preconditioners constitute the most important ingredient in the solutio...
COMPUTING
2007
13 years 5 months ago
2007
Hierarchical matrices (H-matrices) approximate matrices in a data-sparse way, and the approximate arithmetic for H-matrices is almost optimal. In this paper we present an algebrai...
NAA
2004
Springer
13 years 10 months ago
2004
Springer
It was recently shown that block-circulant preconditioners applied to a conjugate gradient method used to solve structured sparse linear systems arising from 2D or 3D elliptic prob...
SIAMNUM
2011
13 years 6 days ago
2011
A simultaneous space-time variational formulation of a parabolic evolution problem is solved with an adaptive wavelet method. This method is shown to converge with the best possibl...
SIAMSC
2010
13 years 3 months ago
2010
The emergence of multicore architectures and highly scalable platforms motivates the development of novel algorithms and techniques that emphasize concurrency and are tolerant of ...