/***********************************************************************
This file is part of KEEL-software, the Data Mining tool for regression,
classification, clustering, pattern mining and so on.
Copyright (C) 2004-2010
F. Herrera (herrera@decsai.ugr.es)
L. S�nchez (luciano@uniovi.es)
J. Alcal�-Fdez (jalcala@decsai.ugr.es)
S. Garc�a (sglopez@ujaen.es)
A. Fern�ndez (alberto.fernandez@ujaen.es)
J. Luengo (julianlm@decsai.ugr.es)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see http://www.gnu.org/licenses/
**********************************************************************/
/**
* <p>
* @author Written by Pedro Gonz�lez (University of Jaen) 27/08/2004
* @version 1.0
* @since JDK1.5
* </p>
*/
package keel.Algorithms.Subgroup_Discovery.MESDIF.Calculate;
public class Fuzzy {
/**
* <p>
* Values for a fuzzy set definition
* </p>
*/
float x0,x1,x3;
float y;
/**
* <p>
* This function fuzzy a value
* </p>
* @param X Continuous value of the variable to fuzzy
* @return The belonging degree of the value
*/
public float Fuzzy (float X) {
if ((X<=x0) || (X>=x3)) // If value of X is not into range x0..x3
return (0); // then pert. degree = 0
if (X<x1)
return ((X-x0)*(y/(x1-x0)));
if (X>x1)
return ((x3-X)*(y/(x3-x1)));
return (y);
}
/**
* <p>
* Creates a new instance of Fuzzy
* </p>
*/
public Fuzzy() {
}
}