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- Ignacio Rojas, Olga Valenzuela, +5 authors Miguel Pasadas
- Neurocomputing
- 2008

The challenge of predicting future values of a time series covers a variety of disciplines. The fundamental problem of selecting the order and identifying the time varying parameters of an autoregressive moving average model (ARMA) concerns many important fields of interest such as linear prediction, system identification and spectral analysis. Recent… (More)

- Olga Valenzuela, Ignacio Rojas, +5 authors Miguel Pasadas
- Fuzzy Sets and Systems
- 2008

Traditionally, the autoregressivemoving average (ARMA)model has been one of themost widely used linear models in time series prediction. Recent research activities in forecasting with artificial neural networks (ANNs) suggest that ANNs can be a promising alternative to the traditional ARMA structure. These linear models and ANNs are often compared with… (More)

- A. Kouibia, Miguel Pasadas
- Appl. Math. Lett.
- 2000

- Omar Valenzuela, Ignacio Rojas, +4 authors Miguel Pasadas
- 2005

Reducing the dimensionality of the raw input variable space is an important step in pattern recognition and functional approximation tasks often determined by practical feasibility. The purpose of this study was to investigate an information theoretic approach to feature selection. We will use mutual information (MI) as a pre-processing step for artificial… (More)

- A. Kouibia, Miguel Pasadas
- Adv. Comput. Math.
- 2004

In this paper we present an approximation method of surfaces by a new type of splines, which we call fairness bicubic splines, from a given Lagrangian data set. An approximating problem of surface is obtained by minimizing a quadratic functional in a parametric space of bicubic splines. The existence and uniqueness of this problem are shown as long as a… (More)

- A. Kouibia, Miguel Pasadas, M. L. Rodríguez
- Numerical Algorithms
- 2003

This paper deals with a construction problem of free-form curves from data constituted by some approximation points and a boundary value problem for an ordinary differential equation (ODE). The solution of this problem is called an ODE curve. We discretize the problem in a space of B-spline functions. Finally, we analyze a graphical example in order to… (More)

- Domingo Barrera, Miguel A. Fortes, Pedro González, Miguel Pasadas
- Mathematics and Computers in Simulation
- 2008

- M. Zamorano, M. L. Rodríguez, A. F. Ramos-Ridao, Miguel Pasadas
- IJKSR
- 2010

The European Space of Higher Education (ESHE) is a new conceptual formulation of the organization of teaching at the university, largely involving the development of new training models based on the individual student’s work. In this context, the University of Granada has approved two plans of Educational Excellence to promote a culture of quality and… (More)

- A. Kouibia, Miguel Pasadas
- 2000

We present in this paper an approximation method of curves from sets of Lagrangian data and vectorial tangent subspaces. We de1ne a discrete smoothing fairness spline with tangent conditions by minimizing certain quadratic functional on 1nite element spaces. Convergence theorem is established and some numerical and graphical examples are analyzed in order… (More)

- A. Kouibia, Miguel Pasadas, Juan José Torrens
- Numerical Algorithms
- 2003

In this paper we define the notion of pseudo-parallel parameterized surfaces, extending that of offset surfaces. Then we consider the problem of fitting a set of scattered points with a surface pseudo-parallel to a given reference surface. We propose a method of solution based on a modified version of the classical smoothing D m -splines over a bounded… (More)