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Análisis de tablas múltiples con individuos cambiantes y variables fijas
(2009-02-18)
En este artículo se presenta el método Statis cuando se observan las mismas variables en todos los instantes considerados, con individuos posiblemente cambiantes. Se demuestran varias propiedades de la infraestructura y ...
Análisis de proximidades métrico usando búsqueda tabú
Análisis de proximidades métrico usando búsqueda tabú
(2009-02-19)
We apply tabu search (TS) in metric multidimensional scaling, obtaining good results comparable to those obtained with simulated annealing. A state in TS is a configuration of n points in a p dimensional space, and a ...
Program Implementation of the Rating Methods of Preference Ranking
Program Implementation of the Rating Methods of Preference Ranking
(2012-03-02)
Tide charts, based upon harmonic analysis, is the general method of choice for predicting water levels. In the shallow waters of the Gulf of Mexico, however, tide charts are woefully inadequate for the prediction of water ...
Asignación de frecuencias en telefonía celular aplicando el problema de coloracion robusta
Asignación de frecuencias en telefonía celular aplicando el problema de coloracion robusta
(2010-04-09)
The Robust Coloring Problem (RCP) is a NP-Hard Problem for which fast andefficient heuristic algorithms has been developed. In this work we present as a PCRthe problem of assignment of frequencies for a cellphone grid. ...
Portfolio Optimization Using Particle Swarms with Stripes
Portfolio Optimization Using Particle Swarms with Stripes
(2011-04-29)
In this paper it is consider the Portfolio Optimization Problem developed by Markowitz [11]. The basic assumption is that the investor tries to maximize his/her profit and at the same time, wants to minimize the risk. This ...
Aplicación de la búsqueda tabú en regresión no lineal
Aplicación de la búsqueda tabú en regresión no lineal
(2009-02-20)
We implement the combinatorial optimization technique known as tabu search inthe parameter estimation problem in a given non linear model. For the generationof neighbors, the implementation is based on a discretization of ...
Métodos de optimización del stress. Comparaciones usando disimilitudes tipo intervalo
Métodos de optimización del stress. Comparaciones usando disimilitudes tipo intervalo
(2009-02-20)
By the use of simulated annealing it is defined the algorithm MDSI-SS for the optimization of Stress defined by Donoeux and Masson [6] for interval-type dissimilarities.On three data sets it is compared the value of stress ...
Un procedimiento de fuerte reducción de las dimensiones del RCPS/Pi
Un procedimiento de fuerte reducción de las dimensiones del RCPS/Pi
(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 ...
Shapley's value for fuzzy games
Shapley's value for fuzzy games
(2009-02-18)
This is the continuation of a previous article titled "Fuzzy Games", where I defined a new type of games based on the Multilinear extensions f, of characteristic functions and most of standard theorems for cooperative games ...
Preference of effective Factors in suitable selection of Microtunnel boring machines (mtbm) by using the fuzzy analytic hierarchy process (fahp) approach
Preferencia de Factores de Efectividad en la Selección Apropiada de Máquinas Taladradoras de Microtúnel (MTBM) Usando el Enfoque del Proceso Jerárquico Analítico Difuso (FACH)
(2011-07-08)
The development of underground infrastructure, environmental concerns, and economic trend is influencing society. Due to the increasingly critical nature of installations of utility systems especially in congested areas, ...