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Stieltjes matrix

In mathematics, particularly matrix theory, a Stieltjes matrix, named after Thomas Joannes Stieltjes, is a real symmetric positive definite matrix… 
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Papers overview

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2010
2010
We present a general framework for image segmentation based on quadratic programing, i.e. by the minimization of a quadratic… 
2007
2007
We aim here at characterizing those nonnegative matrices whose inverse is an irreducible Stieltjes matrix. Specifically, we prove… 
2007
2007
This report presents the ITSOL package for the iterative solution of symmetric positive de nite systems by PCG with incomplete…