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CORR
2006
Springer
141views Education» more  CORR 2006»
15 years 6 months ago
Spectra of large block matrices
In a frequency selective slow-fading channel in a MIMO system, the channel matrix is of the form of a block matrix. This paper proposes a method to calculate the limit of the eige...
Reza Rashidi Far, Tamer Oraby, Wlodzimierz Bryc, R...
SIAMMAX
2010
224views more  SIAMMAX 2010»
15 years 21 days ago
Robust Approximate Cholesky Factorization of Rank-Structured Symmetric Positive Definite Matrices
Abstract. Given a symmetric positive definite matrix A, we compute a structured approximate Cholesky factorization A RT R up to any desired accuracy, where R is an upper triangula...
Jianlin Xia, Ming Gu
JMLR
2008
141views more  JMLR 2008»
15 years 5 months ago
A New Algorithm for Estimating the Effective Dimension-Reduction Subspace
The statistical problem of estimating the effective dimension-reduction (EDR) subspace in the multi-index regression model with deterministic design and additive noise is consider...
Arnak S. Dalalyan, Anatoly Juditsky, Vladimir Spok...