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  • Revista de Matemática: Teoría y Aplicaciones
  • Revista de Matemáticas 16(1)
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A multistep fundamental solution scheme for modeling groundwater flow 

Guevara Jordan, Juan M.; Da Silva Rodrigues, Carmen M. (2009-02-27)
A new numerical scheme for solving transient pressure in a confined aquifer ispresented. It is based on the fundamental solution method (FSM) and it combinesfree Green functions, superposition principle, and singular value ...
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Minimization of the first eigenvalue in problems involving the bi-laplacian
Minimization of the first eigenvalue in problems involving the bi-laplacian 

Anedda, Claudia; Cuccu, Fabrizio; Porru, Giovanni (2009-02-27)
This paper concerns the minimization of the first eigenvalue in problems involvingthe bi-Laplacian under either homogeneous Navier boundary conditions or homogeneousDirichlet boundary conditions. Physically, in case of N ...
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Las ecuaciones de Reynolds y la relación de clausura
Las ecuaciones de Reynolds y la relación de clausura 

Mercado Escalante, José Roberto (2009-02-27)
We posed the problem to obtain the closure relation for the Reynolds equations.And like secondary target, to obtain analytical expressions for the Reynolds stress.Showing its jump of discontinuity like expression of the ...
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Detection of unobserved heterogeneity with growth mixture models
Detection of unobserved heterogeneity with growth mixture models 

Reinecke, Jost; Mariotti, Luca (2009-02-27)
Latent growth curve models as structural equation models are extensively discussedin various research fields (Duncan et al., 2006). Recent methodological and statisticalextension are focused on the consideration of unobserved ...
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Predicción estacional del clima en Centroamérica mediante la reducción de escala dinámica. Parte II: aplicación del modelo MM5V3 

Rivera Fernández, Erick; Amador Astúa, Jorge Alberto (2009-02-27)
In the first part of this work it was determined that general circulation model(GCM) ECHAM4.5 shows more ability than CCM3.6 to simulate key climate featuresof Central America. For such reason, output from ECHAM4.5 was ...
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Shipment consolidation by terminals and vehicles
Shipment consolidation by terminals and vehicles 

González Ramírez, Rosa G.; Askin, Ronald G.; Smith, Neale R.; Villalobos, René (2009-02-27)
This project designs and implements a new module in a logistics analysis tool called”Logistika” that was developed by some graduate students in ASU. Initially, Logistikaonly had available a “Plant location module”, but ...
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El método Statis como alternativa para detectar "response shift" en estudios de calidad de vida relacionada con la salud
El método Statis como alternativa para detectar "response shift" en estudios de calidad de vida relacionada con la salud 

Vicente Galindo, María Purificación; Galindo Villardón, María Purificación (2009-02-27)
After evaluating problems in conceptualisation of Quality of Life outcomes andestablishing an operational definition of HRQoL, we focus the attention on the different dimensions of Response Shift and the theoretical Models ...
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Indices of regularity and indices of randomness for m-ary strings
Indices of regularity and indices of randomness for m-ary strings 

Skliar, Osvaldo; Monge, Ricardo E.; Oviedo, Guillermo; Medina, Víctor (2009-02-27)
The notions “regularity index” and “randomness index” previously introduced forbinary strings (2-ary) have been modified slightly and generalized for m-ary strings(m = 2, 3, 4, . . .). These notions are complementary and ...
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Un procedimiento de fuerte reducción de las dimensiones del RCPS/Pi
Un procedimiento de fuerte reducción de las dimensiones del RCPS/Pi 

Álvarez Valdés Olaguíbel, Ramón; Crespo, Enric; Tamarit Goerlich, José Manuel; Villa Juliá, M. Fulgencia (2009-02-27)
Recently, in the field of project scheduling problems the concept of partially renewableresources has been introduced. Theoretically, it is a generalization of both renewable and non-renewable resources. From an applied ...
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The BPS preconditioner on Beowulf cluster
The BPS preconditioner on Beowulf cluster 

Salas Huertas, Oscar; Marazzina, Daniele; Rovida, Sergio; Sacchi, Giovanni; Scacchi, Simone (2009-02-27)
This work presents the implementation on a Linux Cluster of a parallel preconditionerfor the solution of the linear system resulting from the finite element discretizationof a 2D second order elliptic boundary value problem. ...
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AuthorAlfaro Cortés, Esteban (1)Alfaro Martínez, Eric J. (1)Alfaro Navarro, José Luis (1)Amador Astúa, Jorge Alberto (1)Anedda, Claudia (1)Askin, Ronald G. (1)Crespo, Enric (1)Cuccu, Fabrizio (1)Da Silva Rodrigues, Carmen M. (1)Espinosa Rosales, José E. (1)... View MoreTypeinfo:eu-repo/semantics/article (13)info:eu-repo/semantics/publishedVersion (13)Has File(s)
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  • Repositorios universitarios

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Universidad de Costa Rica