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SIAMSC
2010
95views more  SIAMSC 2010»
13 years 7 months ago
Interpreting IDR as a Petrov--Galerkin Method
The IDR method of Sonneveld and van Gijzen [SIAM J. Sci. Comput., 31:1035–1062, 2008] is shown to be a Petrov-Galerkin (projection) method with a particular choice of left Krylov...
Valeria Simoncini, Daniel B. Szyld
ANOR
2010
139views more  ANOR 2010»
13 years 7 months ago
Some operations research methods for analyzing protein sequences and structures
Operations Research is probably one of the most successful fields of applied mathematics used in Economics, Physics, Chemistry, almost everywhere onehastoanalyzehugeamountsofdata.L...
Piotr Lukasiak, Jacek Blazewicz, Maciej Milostan
EUSFLAT
2009
195views Fuzzy Logic» more  EUSFLAT 2009»
13 years 6 months ago
Optimization of an Oil Production System using Neural Networks and Genetic Algorithms
This paper proposes an optimization strategy which is based on neural networks and genetic algorithms to calculate the optimal values of gas injection rate and oil rate for oil pro...
Guillermo Jimenez de la Cruz, Jose A. Ruz-Hernande...
CORR
2010
Springer
92views Education» more  CORR 2010»
13 years 5 months ago
Regression on fixed-rank positive semidefinite matrices: a Riemannian approach
The paper addresses the problem of learning a regression model parameterized by a fixed-rank positive semidefinite matrix. The focus is on the nonlinear nature of the search space...
Gilles Meyer, Silvere Bonnabel, Rodolphe Sepulchre
AMC
2011
13 years 4 months ago
Complexity reduction of C-Algorithm
This is a companion paper of [1] and [2]. In the cited papers, using the C-algorithm introduced in [3], many new examples of isochronous centers for Li´enard type equation are fou...
Magali Bardet, Islam Boussaada