Journal: Revista de Investigacin Operacional

Found 178 papers in total
Neural network models for the maximum clique problem
Neural network models for the maximum clique problem
2000,
In this paper we describe two neural network based algorithms for the Maximum Clique...
An application of tabu search to classification problems
An application of tabu search to classification problems
2000,
We present an improved method for clustering by using the combinatorial optimization...
A new proposal for calculating the optimal discriminant function
A new proposal for calculating the optimal discriminant function
2000,
This paper was developed in the Centro de Sanidad Animal and the Department of...
New results for hierarchical bimodal classification and partitioning
New results for hierarchical bimodal classification and partitioning
2000,
We present a study of the main methods for two-mode classification, hierarchical and...
A strategy for the selection of regression models with qualitative variables
A strategy for the selection of regression models with qualitative variables
2000,
In this methodological paper, a strategy for selection of regression models is...
Selecting variables in linear regression using the restricted RRQR algorithm
Selecting variables in linear regression using the restricted RRQR algorithm
2000,
The polemical problem of variable selection has originated different procedures when...
Biplots as a tool for identifying outliers in a two level hierarchical linear model
Biplots as a tool for identifying outliers in a two level hierarchical linear model
2000,
This paper presents a general formulation of a two level hierarchical linear model. In...
Optimization by simulated annealing for non linear regression: An algorithm and a program
Optimization by simulated annealing for non linear regression: An algorithm and a program
2000,
We present an algorithm that uses the technique of simulated annealing, for the global...
A note on the prediction and testing of system reliability under shock models
A note on the prediction and testing of system reliability under shock models
2000,
The reliability of finite systems is studied. The functioning of a system is...
A fuzzy logic analysis of coalitions (part 1)
A fuzzy logic analysis of coalitions (part 1)
2000,
A fuzzy logic model for bargaining is presented in two consecutive papers. This model...
A fuzzy logic analysis of coalitions (part 2)
A fuzzy logic analysis of coalitions (part 2)
2000,
A fuzzy logic model for bargaining is presented in two consecutive papers. This model...
A spatial interaction model incorporating externality costs
A spatial interaction model incorporating externality costs
2000,
Most of spatial competition models assume firms' decisions exclusively. In that model...
An M/M/1 queueing system with interrupted arrival stream
An M/M/1 queueing system with interrupted arrival stream
2000,
We study an M/M/1 queueing system in which the arrival stream is ‘shut...
Multivariate calibration systems
Multivariate calibration systems
2000,
The aim of this paper is to present the problem of statistical calibration and the...
Evaluating the convenience of cooperating in repeated duopoly
Evaluating the convenience of cooperating in repeated duopoly
1999,
Two approaches are analysed for establishing if it is convenient to cooperate or not....
On methods of direct search for the solution of unconstrained nonlinear optimization problems
On methods of direct search for the solution of unconstrained nonlinear optimization problems
1999,
Several non-derivate procedures for the solution of the non-constrained non-linear...
A vehicle routing problem with stochastic demand and capacity constraints on the edges
A vehicle routing problem with stochastic demand and capacity constraints on the edges
1999,
We consider an interesting variation of the classical vehicle routing problem, in...
A hybrid genetic algorithm for a Hamiltonian path problem
A hybrid genetic algorithm for a Hamiltonian path problem
1999,
This paper deals with Hável and Erdös conjecture that asserts that all...
An inventory model under the influence of marketing policies with variable markup under temporary price discount
An inventory model under the influence of marketing policies with variable markup under temporary price discount
1999,
An inventory model is developed under different marketing policies using the concept...
A competitive location model with criteria based on attractiveness
A competitive location model with criteria based on attractiveness
1999,
A competitive location problem is considered. The demand capture is determined by...
A combined gradient and feasible direction pivotal solution algorithm for general linear programming
A combined gradient and feasible direction pivotal solution algorithm for general linear programming
1998,
We present an efficient gradient-feasible direction based algorithm for solving...
Linear programming with linear restricted parameters
Linear programming with linear restricted parameters
1998,
The parameters of linear programming models are often not (in a deterministic or...
On the primal–dual method of interior point programming
On the primal–dual method of interior point programming
1998,
In this work, we deal with the formulation of the primal–dual interior-point...
Probabilistic order level system with a mixture of backorders and lost sales
Probabilistic order level system with a mixture of backorders and lost sales
1997,
This article presents probabilistic order level inventory model for situations in...
Papers per page: