130 search results - page 4 / 26 » Wavelet based preconditioners for sparse linear systems |
SIAMSC
2008
13 years 8 months ago
2008
We study preconditioners for the iterative solution of the linear systems arising in the implicit time integration of the compressible Navier-Stokes equations. The spatial discreti...
APPML
2007
13 years 8 months ago
2007
framework Silvia Bertoluzza∗, Micol Pennacchio Istituto di Matematica Applicata e Tecnologie Informatiche del C.N.R., v. Ferrata 1, 27100 Pavia, Italy Received 16 February 2006; ...
CSC
2006
13 years 9 months ago
2006
Abstract -- We experimentally examine the performance of preconditioners based on entries of the symmetric positive definite part and small subspace solvers for linear system of eq...
TOMS
2011
13 years 2 months ago
2011
We present a new supernode-based incomplete LU factorization method to construct a preconditioner for solving sparse linear systems with iterative methods. The new algorithm is pr...
COMPUTING
2004
13 years 7 months ago
2004
We present a biorthogonal wavelet construction for Loop subdivision, based on the lifting scheme. Our wavelet transform uses scaling functions that are recursively defined by Loop...