178 search results - page 17 / 36 » LSMR: An iterative algorithm for sparse least-squares proble... |
SIGPRO
2011
13 years 2 months ago
2011
In this paper, we survey and compare different algorithms that, given an overcomplete dictionary of elementary functions, solve the problem of simultaneous sparse signal approxim...
TWC
2008
13 years 7 months ago
2008
We consider a secondary usage of spectrum scenario where a secondary network coexists and/or shares the radio spectrum with a primary network to which the spectrum is licensed. The...
DAC
2004
ACM
14 years 8 months ago
2004
ACM
Capacitance extraction is an important problem that has been extensively studied. This paper presents a significant improvement for the fast multipole accelerated boundary element...
ICASSP
2010
IEEE
13 years 7 months ago
2010
IEEE
This paper addresses the problem of locating a single source from noisy range measurements in wireless sensor networks. An approximate solution to the maximum likelihood location ...
ICCS
2009
Springer
14 years 1 months ago
2009
Springer
The limiting factor for efficiency of sparse linear solvers is the memory bandwidth. In this work, we utilize GPU’s high memory bandwidth for implementation of a sparse iterative...