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ICPADS
2000
IEEE
13 years 10 months ago
Optimal Fault-Tolerant Routing in Hypercubes Using Extended Safety Vectors
1 Reliable communication in cube-based multicomputers using the extended safety vector concept is studied in this paper. In our approach, each node in a cube-based multicomputer o...
Jie Wu, Feng Gao, Zhongcheng Li, Yinghua Min
SDM
2007
SIAM
143views Data Mining» more  SDM 2007»
13 years 8 months ago
Clustering by weighted cuts in directed graphs
In this paper we formulate spectral clustering in directed graphs as an optimization problem, the objective being a weighted cut in the directed graph. This objective extends seve...
Marina Meila, William Pentney
JMLR
2010
143views more  JMLR 2010»
13 years 5 months ago
A Quasi-Newton Approach to Nonsmooth Convex Optimization Problems in Machine Learning
We extend the well-known BFGS quasi-Newton method and its memory-limited variant LBFGS to the optimization of nonsmooth convex objectives. This is done in a rigorous fashion by ge...
Jin Yu, S. V. N. Vishwanathan, Simon Günter, ...
SIAMJO
2008
112views more  SIAMJO 2008»
13 years 7 months ago
Parallel Space Decomposition of the Mesh Adaptive Direct Search Algorithm
This paper describes a Parallel Space Decomposition (PSD) technique for the Mesh Adaptive Direct Search (MADS) algorithm. MADS extends Generalized Pattern Search for constrained n...
Charles Audet, J. E. Dennis, Sébastien Le D...
AUTOMATICA
2007
95views more  AUTOMATICA 2007»
13 years 7 months ago
Unbiased minimum-variance input and state estimation for linear discrete-time systems with direct feedthrough
This paper extends previous work on joint input and state estimation to systems with direct feedthrough of the unknown input to the output. Using linear minimum-variance unbiased ...
Steven Gillijns, Bart De Moor