Exploració per autor "Castro Pérez, Jordi"
Ara es mostren els items 42-61 de 144
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Examen Final
Castro Pérez, Jordi (Universitat Politècnica de Catalunya, 2023-06-16)
Examen
Accés restringit a la comunitat UPC -
Existence, uniqueness and convergence of the regularized primal-dual central path
Castro Pérez, Jordi; Cuesta Andrea, Jordi (2010-09)
Article
Accés restringit per política de l'editorialIn a recent work [J. Castro, J. Cuesta, Quadratic regularizations in an interior-point method for primal block-angular problems, Mathematical Programming, in press (doi:10.1007/s10107-010-0341-2)] the authors improved one ... -
Exploiting total unimodularity for classes of random network problems
Castro Pérez, Jordi; Nasini, Stefano (2013-07)
Report de recerca
Accés obertNetwork analysis is of great interest for the study of social , biological and technolog- ical networks, with applications, among others, in busines s, marketing, epidemiology and telecommunications. Researchers are ... -
Extending controlled tabular adjustment for non-additive tabular data with negative protection levels
Castro Pérez, Jordi (Institut d'Estadística de Catalunya, 2011)
Article
Accés obertMinimum distance controlled tabular adjustment (CTA) is a recent perturbative methodology for the protection of tabular data. An implementation of CTA was recently used by Eurostat for the protection of European Union ... -
Fix-and-relax approaches for controlled tabular adjustment
Baena, Daniel; Castro Pérez, Jordi; González Alastrué, José Antonio (2015-06-01)
Article
Accés obertControlled tabular adjustment (CIA) is a relatively new protection technique for tabular data protection. CTA formulates a mixed integer linear programming problem, which is challenging for tables of moderate size. Even ... -
Generating conditional uniform random networks by optimization procedures
Nasini, Stefano; Castro Pérez, Jordi (Universidad de La Laguna, 2013)
Text en actes de congrés
Accés obertComplex networks is a recent area of research motivated by the empirical study of realworld networks, such as social relations, protein interaction, neuronal connections, etc. As closed-form probabilistic models of networks ... -
Implementació d'un algorisme primal-dual de punt interior amb fites superiors a les variables
Castro Pérez, Jordi (Institut d'Estadística de Catalunya, 1995)
Article
Accés obertImplementación de un algoritmo primal-dual de punto interior con variables acotadas superiormente. -
Implementación de un algoritmo primal-dual de orden superior mediante el uso de un método predictor-corrector para programación lineal
Castro Pérez, Jordi (Institut d'Estadística de Catalunya, 1998)
Article
Accés obertSe presenta una implementación de un algoritmo primal-dual de punto interior para la solución de problemas lineales. El algoritmo difiere de otros ya existentes (como el implementado en el sistema LoQo) en el hecho de que ... -
Improving an interior-point algorithm for multicommodity flows by quadratic regularizations
Castro Pérez, Jordi; Cuesta, Jordi (2009-07)
Report de recerca
Accés obertOne of the best approaches for some classes of multicommodity flow problems is a specialized interior-point method that solves the normal equations by a combination of Cholesky factorizations and preconditioned conjugate ... -
Improving an interior-point approach for large block-angular problems by hybrid preconditioners
Bocanegra, Silvana; Castro Pérez, Jordi; Oliveira, Aurelio R.L. (2012-07)
Report de recerca
Accés obertThe computational time required by interior-point methods is often domi- nated by the solution of linear systems of equations. An efficient spec ialized interior-point algorithm for primal block-angular proble ms has ... -
Interior-point solver for convex separable block-angular problems
Castro Pérez, Jordi (2014)
Report de recerca
Accés obertConstraints matrices with block-angular structures are pervasive in Optimization. Interior-point methods have shown to be competitive for these structured problems by exploiting the linear algebra. One of these approaches ... -
Interior-point solver for convex separable block-angular problems
Castro Pérez, Jordi (2016-01)
Article
Accés obertConstraints matrices with block-angular structures are pervasive in optimization. Interior-point methods have shown to be competitive for these structured problems by exploiting the linear algebra. One of these approaches ... -
Investigació operativa dereminista. Apunts
Castro Pérez, Jordi (Universitat Politècnica de Catalunya, 2000)
Apunts
Accés obert -
Investigació operativa dereminista. Problemes
Castro Pérez, Jordi; Heredia, F.-Javier (Francisco Javier) (Universitat Politècnica de Catalunya, 2000)
Apunts
Accés obert -
Llista problemes Optimització No Lineal amb solucions
Castro Pérez, Jordi (Universitat Politècnica de Catalunya, 2023-10-20)
Problema, exercici
Accés obert -
Mathematical programming approaches for classes of random network problems
Castro Pérez, Jordi; Nasini, Stefano (Elsevier, 2015-09-01)
Article
Accés obertRandom simulations from complicated combinatorial sets are often needed in many classes of stochastic problems. This is particularly true in the analysis of complex networks, where researchers are usually interested in ... -
Mètodes eficients per a la resolució de problemes de fluxos multiarticle
Castro Pérez, Jordi (Universitat Politècnica de Catalunya, 1995-09-12)
Tesi
Accés obertTal i com indica el seu títol, la present memòria de tesi té com objecte d'estudi el desenvolupament d'algorismes i implementacions eficients per resoldre el problema conegut dins del món de l'Optimització i Investigació ... -
MODELS ESTOCÀSTICS DE LA INVESTIGACIÓ OPERATIVA 1 (Examen 1r quadrim)
Castro Pérez, Jordi (Universitat Politècnica de Catalunya, 2003-11-10)
Examen
Accés restringit a la comunitat UPC -
MODELS ESTOCÀSTICS DE LA INVESTIGACIÓ OPERATIVA 1 (Examen 1r quadrim)
Castro Pérez, Jordi (Universitat Politècnica de Catalunya, 2004-01-10)
Examen
Accés restringit a la comunitat UPC -
MODELS ESTOCÀSTICS DE LA INVESTIGACIÓ OPERATIVA 1 // PROGRAMACIÓ ESTOCÀSTICA
Castro Pérez, Jordi (Universitat Politècnica de Catalunya, 2010-05-25)
Examen
Accés restringit a la comunitat UPC