Journal: Investigacin Operativa

Found 58 papers in total
On an optimal growth model of an economical system
On an optimal growth model of an economical system
1990,
This paper presents the optimal growth of a dynamic economical system of Leontief....
Sequencing offshore oil and gas fields
Sequencing offshore oil and gas fields
1990,
This paper describes a decision support system for sequencing oil and gas fields...
A constructive approach to electric power distribution planning
A constructive approach to electric power distribution planning
1990,
The paper is concerned with the problem of power distribution planning which remains...
Optimal design of reinforced concrete sections subjected to combined flexure and axial load
Optimal design of reinforced concrete sections subjected to combined flexure and axial load
1990,
A formulation is presented for the optimal design of reinforced concrete sections of...
The complexity of the cost-time tradeoff problem with non-convex functions
The complexity of the cost-time tradeoff problem with non-convex functions
1991,
In this paper it is shown that the cost-time tradeoff problem with non-convex...
A comparison among four multicriteria methods for decision aid
A comparison among four multicriteria methods for decision aid
1990,
A first comparative analysis of the use of four multicriteria decision methods are...
Conflicts and negotiation on planning processes: A formulation of decision analysis with multiple criteria
Conflicts and negotiation on planning processes: A formulation of decision analysis with multiple criteria
1991,
In this paper an algotithm is proposed to facilitate reaching a consensus in a process...
Modeling flexibility, vagueness and uncertainty in Operations Research
Modeling flexibility, vagueness and uncertainty in Operations Research
1988,
During the last four decases a large number of primarily mathematical methods have...
A framework for graph drawing algorithms
A framework for graph drawing algorithms
1991,
This paper presents the framework MkGraph, which supports the implementation of graph...
The Steiner problem on rectilinear metrics
The Steiner problem on rectilinear metrics
1990,
This paper is a survey about the Rectilinear Steiner Tree Problem, where the authors...
Neural nets and simulated annealing as tools to combinatorial optimization
Neural nets and simulated annealing as tools to combinatorial optimization
1989,
Combinatorial optimization is the area within optimization that deals with problems in...
Hard 0-1 multiknapsack test problems for size reduction methods
Hard 0-1 multiknapsack test problems for size reduction methods
1990,
Our reduction algorithm applied to classical 0-1 multiknapsack test problems of the...
An accelerated algorithm for the set partitioning problem
An accelerated algorithm for the set partitioning problem
1990,
This paper presents an algorithm based on the work of Campello, adding as its main...
The Pk-median dynamic location problem: Formulation and a heuristic solution method
The Pk-median dynamic location problem: Formulation and a heuristic solution method
1990,
The P k - median dynamic location problem is an uncapacited dynamic problem with a...
Lagrangean methods to linear integer programming problems
Lagrangean methods to linear integer programming problems
1991,
There exist many Lagrangean methods for solving linear integer problems from which one...
A survey of methods for linear programming
A survey of methods for linear programming
1989,
In this paper the authors survey a variety of methods for solving linear programming...
Variants of Karmarkar’s algorithm
Variants of Karmarkar’s algorithm
1989,
The purpose of this paper is to show how studying few variants of Karmarkar’s...
On solving a nondifferentiable nonlinear transshipment problem
On solving a nondifferentiable nonlinear transshipment problem
1990,
The paper presents a new type of transshipment problem with a nonseparable nonlinear...
A variant of the Penalty Lagrangean Method under linear constraints
A variant of the Penalty Lagrangean Method under linear constraints
1988,
An adaptation of the variant of the Penalty Lagrangean method of...
An application of the Augmented Lagrangian Approach to decomposition in linear programming
An application of the Augmented Lagrangian Approach to decomposition in linear programming
1988,
The Augmented Lagrangian Approach is a well known technique in nonlinear programming...
Some comments on Lagrangean duality, optimality conditions and convexity
Some comments on Lagrangean duality, optimality conditions and convexity
1991,
In the classical literature of NLP, the Lagrangian duals (minimax and Wolfe’s)...
On the properties of the feasible parametric set and its possible applications
On the properties of the feasible parametric set and its possible applications
1989,
Consider the problem of Parametric Optimization with integer variables...
A note on the behavior of approximate solutions in stochastic programming with completely fixed resource
A note on the behavior of approximate solutions in stochastic programming with completely fixed resource
1991,
A class of nonparametric density function estimators is defined by fixing a set of...
A summary of periodic replacement policies with minimal repair
A summary of periodic replacement policies with minimal repair
1988,
There still exists a gap between the theory of preventive replacements and...
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