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CORR
2008
Springer
81views Education» more  CORR 2008»
13 years 8 months ago
High-dimensional subset recovery in noise: Sparsified measurements without loss of statistical efficiency
We consider the problem of estimating the support of a vector Rp based on observations contaminated by noise. A significant body of work has studied behavior of 1-relaxations when...
Dapo Omidiran, Martin J. Wainwright
CORR
2008
Springer
118views Education» more  CORR 2008»
13 years 8 months ago
Learning Low-Density Separators
Abstract. We define a novel, basic, unsupervised learning problem learning the the lowest density homogeneous hyperplane separator of an unknown probability distribution. This task...
Shai Ben-David, Tyler Lu, Dávid Pál,...
AUTOMATICA
2006
89views more  AUTOMATICA 2006»
13 years 8 months ago
Stability analysis and stabilization control of multi-variable switched stochastic systems
In this paper, the mean square (MS) stability and exponential mean square (EMS) stability of multi-variable switched stochastic systems are investigated. Based on the concept of t...
Wei Feng, Ji-Feng Zhang
AUTOMATICA
2006
76views more  AUTOMATICA 2006»
13 years 8 months ago
Nonlinear robust performance analysis using complex-step gradient approximation
In this paper, the complex-step method is applied in the setting of numerical optimisation problems involving dynamical systems modelled as nonlinear differential equations. The m...
Jongrae Kim, Declan G. Bates, Ian Postlethwaite
CSI
2006
136views more  CSI 2006»
13 years 8 months ago
A hybrid particle swarm optimization algorithm for optimal task assignment in distributed systems
In a distributed system, a number of application tasks may need to be assigned to different processors such that the system cost is minimized and the constraints with limited reso...
Peng-Yeng Yin, Shiuh-Sheng Yu, Pei-Pei Wang, Yi-Te...