130 search results - page 8 / 26 » Wavelet based preconditioners for sparse linear systems |
ICCS
2007
Springer
14 years 2 months ago
2007
Springer
We evaluate the effectiveness of neural networks as a tool for predicting whether a particular combination of preconditioner and iterative method will correctly solve a given spar...
DCC
2002
IEEE
14 years 7 months ago
2002
IEEE
In this paper we propose an algorithm for image recovery where completely lost blocks in an image/video-frame are recovered using spatial information surrounding these blocks. Our...
CORR
2006
Springer
13 years 8 months ago
2006
Springer
We propose a new algorithm to solve sparse linear systems of equations over the integers. This algorithm is based on a p-adic lifting technique combined with the use of block matr...
CPHYSICS
2010
13 years 8 months ago
2010
We investigate fully parallel Newton-Krylov-Schwarz (NKS) algorithms for solving the large sparse nonlinear systems of equations arising from the finite element discretization of ...
SIAMJO
2000
13 years 7 months ago
2000
Abstract. Despite the efficiency shown by interior-point methods in large-scale linear programming, they usually perform poorly when applied to multicommodity flow problems. The ne...