8 search results - page 1 / 2 » CUR from a Sparse Optimization Viewpoint |
CORR
2010
Springer
13 years 2 months ago
2010
Springer
The CUR decomposition provides an approximation of a matrix X that has low reconstruction error and that is sparse in the sense that the resulting approximation lies in the span o...
EMMCVPR
2005
Springer
13 years 10 months ago
2005
Springer
Abstract. Reverse-convex programming (RCP) concerns global optimization of a specific class of non-convex optimization problems. We show that a recently proposed model for sparse ...
CORR
2007
Springer
13 years 5 months ago
2007
Springer
— In contrast to the prevalent assumption of rich multipath in information theoretic analysis of wireless channels, physical channels exhibit sparse multipath, especially at larg...
JSAC
2008
13 years 5 months ago
2008
Code-division multiple access (CDMA) is the basis of a family of advanced air interfaces in current and future generation networks. The benefits promised by CDMA have not been full...
IPPS
2005
IEEE
13 years 10 months ago
2005
IEEE
Sparse and irregular computations constitute a large fraction of applications in the data-intensive scientific domain. While every effort is made to balance the computational wor...