178 search results - page 35 / 36 » LSMR: An iterative algorithm for sparse least-squares proble... |
SIGIR
2003
ACM
14 years 18 days ago
2003
ACM
Most existing clustering algorithms cluster highly related data objects such as Web pages and Web users separately. The interrelation among different types of data objects is eith...
ICASSP
2010
IEEE
13 years 7 months ago
2010
IEEE
We consider the weight design problem for the consensus algorithm under a finite time horizon. We assume that the underlying network is random where the links fail at each iterat...
CCE
2006
13 years 7 months ago
2006
Principal differential analysis (PDA) is an alternative parameter estimation technique for differential equation models in which basis functions (e.g., B-splines) are fitted to dy...
TMI
2008
13 years 7 months ago
2008
Tomographic reconstruction from positron emission tomography (PET) data is an ill-posed problem that requires regularization. An attractive approach is to impose an 1-regularizatio...
SIAMSC
2008
13 years 7 months ago
2008
In this paper we present a new incomplete factorization of a square matrix into triangular factors in which we get standard LU or LDLT factors (direct factors) and their inverses (...