Journal: Revista de Investigacin Operacional

Found 178 papers in total
Customer behaviour in the Spanish insurance sector
Customer behaviour in the Spanish insurance sector
2001,
In this study we try to make an approach to identify main factors that influence the...
An optimal replenishment policy for a single item stochastic inventory with fluidity in the demand process
An optimal replenishment policy for a single item stochastic inventory with fluidity in the demand process
2001,
This paper describes the optimal policy corresponding to a continuous review...
Application of stochastic optimisation algorithms (metaheuristics) to the placement of non-convex objects in the plane
Application of stochastic optimisation algorithms (metaheuristics) to the placement of non-convex objects in the plane
2001,
The placement of convex objects in the plane, especially rectangular objects, has been...
Solving local access network design problem with two technologies
Solving local access network design problem with two technologies
2001,
We have worked with the local access network design problem with two cable...
On the use of polytrees in evolutionary optimization
On the use of polytrees in evolutionary optimization
2001,
Bayesian networks are useful tools for the representation of non-linear interactions...
A new embedding for the augmented Lagrange method
A new embedding for the augmented Lagrange method
2001,
Several algorithms such as penalty, barrier, Augmented Lagrangean and parametrical...
Application of simulated annealing in metric multidimensional scaling
Application of simulated annealing in metric multidimensional scaling
2001,
In Multidimensional Scaling, we want an Euclidean representation of a set of points...
A note on the dual description of projected polytopes
A note on the dual description of projected polytopes
2001,
The inequalities which describe the projection Q of a given polytope P onto a subspace...
The theory and practice of a problem in taxation programming: A comparative analysis
The theory and practice of a problem in taxation programming: A comparative analysis
2001,
In this paper, we compare, from a theoretical and a practical viewpoint, two settings...
A model of buffer size and control policy for a queueing network with customers with different parameters
A model of buffer size and control policy for a queueing network with customers with different parameters
2001,
In this paper we analyse the yield of a queue management policy in a network which...
A comparison between different methods of analysis for the residuals in a contingency table, and a new index measure
A comparison between different methods of analysis for the residuals in a contingency table, and a new index measure
2001,
In 1994, Rudas, Clogg and Lindsay proposed a new index of lack of fit for a certain...
Statistical methods in primary public health care
Statistical methods in primary public health care
2001,
The set of statistical methods used in primary health is related with the same domains...
Detecting infeasibility and fixing variables in 0–1 linear programming problems
Detecting infeasibility and fixing variables in 0–1 linear programming problems
2002,
In this paper we present a procedure for obtaining lower bounds on a linear function...
Staircase matrices and primal–dual interior point methods
Staircase matrices and primal–dual interior point methods
2002,
Given a general linear programming model, the set of rows of the matrix A is...
On the parametrization of the cost vector in staircase linear programming
On the parametrization of the cost vector in staircase linear programming
2002,
An algorithm for the parametrization of the cost vector of a particular class of...
Random demands: Optimum lot size and the newsboy problem
Random demands: Optimum lot size and the newsboy problem
2002,
The determination of the optimum lot size is a stochastic problem because of the...
A persistence model for the design of a database following an object-oriented paradigm
A persistence model for the design of a database following an object-oriented paradigm
2002,
In this work is described a persistence model for the database design starting from...
Choice functions on a large set of alternatives
Choice functions on a large set of alternatives
2001,
Suppose a Decision Maker (DM) makes choices between sets of alternatives. The choice...
A statistical equilibrium approach for preference aggregation
A statistical equilibrium approach for preference aggregation
2001,
This paper is designed to expose a conceptual framework to analyse the major problem...
Multidimensional scaling with restrictions using simulated annealing
Multidimensional scaling with restrictions using simulated annealing
2001,
Multidimensional Scaling (MDS) with restriction on the configuration (MDSR) aims to...
Parameter estimation of INDSCAL models using simulated annealing
Parameter estimation of INDSCAL models using simulated annealing
2001,
Parameter estimation of INDSCAL by CANDECOMP method has three disadvantages: finding...
Inferences on the functioning of economics systems
Inferences on the functioning of economics systems
2001,
The functioning of a finite economic system can be modeled through an adequate vector...
A comparison of approximations to percentiles of the noncentral t-distribution
A comparison of approximations to percentiles of the noncentral t-distribution
2000,
In this paper we review the main proposed approximations to percentiles of the...
A strategy in the statistical analysis of the experimental design
A strategy in the statistical analysis of the experimental design
2000,
Additivity, variance, homogeneity and normality of the errors are often violated in...
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