8669 search results - page 2 / 1734 » Computing matrix representations |
CISS
2008
IEEE
14 years 23 hour ago
2008
IEEE
—Thus far, sparse representations have been exploited largely in the context of robustly estimating functions in a noisy environment from a few measurements. In this context, the...
CVPR
2001
IEEE
14 years 7 months ago
2001
IEEE
This paper presents an improvement of the classical Non-negative Matrix Factorization (NMF) approach, for dealing with local representations of image objects. NMF, when applied to...
DSN
2005
IEEE
13 years 11 months ago
2005
IEEE
Continuous-time Markov chains (CTMCs) have been used successfully to model the dependability and performability of many systems. Matrix diagrams (MDs) are known to be a space-efï¬...
DAGSTUHL
2007
13 years 7 months ago
2007
In this paper we provide properties of moments of matrix exponential distributions and joint moments of matrix exponential processes. Based on the provided properties, an algorith...
JCPHY
2011
12 years 8 months ago
2011
We develop a hierarchical matrix construction algorithm using matrixvector multiplications, based on the randomized singular value decomposition of low-rank matrices. The algorith...