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SPAA
1990
ACM
15 years 3 months ago
A New Preconditioner for the Parallel Solution of Positive Definite Toeplitz Systems
We introduce a new preconditioner for solving a symmetric Toeplitz system of equations by the conjugate gradient method. This choice leads to an algorithm which is particularly sui...
Dario Bini, Fabio Di Benedetto
SIAMNUM
2010
103views more  SIAMNUM 2010»
14 years 6 months ago
Hybridization and Postprocessing Techniques for Mixed Eigenfunctions
Abstract. We introduce hybridization and postprocessing techniques for the RaviartThomas approximation of second-order elliptic eigenvalue problems. Hybridization reduces the Ravia...
Bernardo Cockburn, Jayadeep Gopalakrishnan, F. Li,...
SIAMNUM
2010
127views more  SIAMNUM 2010»
14 years 6 months ago
The Discrete Duality Finite Volume Method for Convection-diffusion Problems
In this paper we extend the discrete duality finite volume (DDFV) formulation to the steady convection-diffusion equation. The discrete gradients defined in DDFV are used to define...
Yves Coudière, Gianmarco Manzini
JUCS
2006
88views more  JUCS 2006»
14 years 11 months ago
Parameter Estimation of the Cauchy Distribution in Information Theory Approach
: As we know the Cauchy distribution plays an important role in Probability Theory and Statistics. In this paper, we investigate the estimation of the location and the scale parame...
Ferenc Nagy
GECCO
2006
Springer
185views Optimization» more  GECCO 2006»
15 years 3 months ago
Convergence to global optima for genetic programming systems with dynamically scaled operators
This work shows asymptotic convergence to global optima for a family of dynamically scaled genetic programming systems where the underlying population consists of a fixed number o...
Lothar M. Schmitt, Stefan Droste