224 search results - page 36 / 45 » GMRES Methods for Least Squares Problems |
ICML
2009
IEEE
15 years 10 months ago
2009
IEEE
We develop a cyclical blockwise coordinate descent algorithm for the multi-task Lasso that efficiently solves problems with thousands of features and tasks. The main result shows ...
190
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ASPLOS
2009
ACM
15 years 10 months ago
2009
ACM
QR decomposition is a computationally intensive linear algebra operation that factors a matrix A into the product of a unitary matrix Q and upper triangular matrix R. Adaptive sys...
102
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AUTOMATICA
2008
14 years 10 months ago
2008
Fitting data by a bounded complexity linear model is equivalent to low-rank approximation of a matrix constructed from the data. The data matrix being Hankel structured is equival...
108
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TIP
2002
14 years 9 months ago
2002
Abstract--Additive noise removal from a given signal is an important problem in signal processing. Among the most appealing aspects of this field are the ability to refer it to a w...
TSP
2008
14 years 9 months ago
2008
In this paper, we consider the problem of blind multiuser separation-equalization in the uplink of a wideband DS-CDMA system, in a multipath propagation environment with intersymbo...