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» Is structural underdetermination possible
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86
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SYNTHESE
2011
72views more  SYNTHESE 2011»
14 years 9 months ago
Metaphysical underdetermination: why worry?
Various forms of underdetermination that might threaten the realist stance are examined. That which holds between different ‘formulations’ of a theory (such as the Hamiltonian...
Steven French
96
Voted
LSSC
2005
Springer
15 years 8 months ago
Improved Solution Enclosures for Over- and Underdetermined Interval Linear Systems
Abstract. In this paper we discuss an inclusion method for solving rectangular (over- and under-determined) dense linear systems where the input data are uncertain and vary within ...
Evgenija D. Popova
SIAMSC
2008
193views more  SIAMSC 2008»
15 years 2 months ago
Exact and Approximate Sparse Solutions of Underdetermined Linear Equations
Abstract. In this paper, we empirically investigate the NP-hard problem of finding sparsest solutions to linear equation systems, i.e., solutions with as few nonzeros as possible. ...
Sadegh Jokar, Marc E. Pfetsch
146
Voted
IDA
2009
Springer
15 years 9 months ago
Blind Spectral-GMM Estimation for Underdetermined Instantaneous Audio Source Separation
Abstract. The underdetermined blind audio source separation problem is often addressed in the time-frequency domain by assuming that each time-frequency point is an independently d...
Simon Arberet, Alexey Ozerov, Rémi Gribonva...
110
Voted
TASLP
2010
142views more  TASLP 2010»
14 years 9 months ago
Beyond the Narrowband Approximation: Wideband Convex Methods for Under-Determined Reverberant Audio Source Separation
We consider the problem of extracting the source signals from an under-determined convolutive mixture assuming known mixing filters. State-of-the-art methods operate in the time-fr...
M. Kowalski, Emmanuel Vincent, Rémi Gribonv...