/** * LZ07_F4.java * * @author Antonio J. Nebro * @version 1.0 * Created on 17 de junio de 2006, 17:30 */package jmetal.problems.LZ07;import java.util.Vector;import jmetal.base.*;import jmetal.base.Configuration.*;import jmetal.util.JMException;/**  * Class representing problem DTLZ1  */public class LZ07_F4 extends Problem {   	LZ07 lz07_ ;  /**   * Creates a default DTLZ1 problem (7 variables and 3 objectives)  * @param solutionType The solution type must "Real" or "BinaryReal".   */  public LZ07_F4(String solutionType){    this(21, 1, 24, solutionType);  } // LZ07_F4    /**    * Creates a DTLZ1 problem instance   * @param numberOfVariables Number of variables   * @param numberOfObjectives Number of objective functions   * @param solutionType The solution type must "Real" or "BinaryReal".    */   public LZ07_F4(Integer ptype,    		            Integer dtype,   		            Integer ltype,   		            String solutionType) {     numberOfVariables_  = 30;     numberOfObjectives_ = 2;     numberOfConstraints_= 0;     problemName_        = "LZ07_F4";            	 lz07_  = new LZ07(numberOfVariables_,    			               numberOfObjectives_,    			               ptype,    			               dtype,    			               ltype) ;     lowerLimit_ = new double[numberOfVariables_];     upperLimit_ = new double[numberOfVariables_];           lowerLimit_[0] = 0.0 ;     upperLimit_[0] = 1.0 ;     for (int var = 1; var < numberOfVariables_; var++){       lowerLimit_[var] = -1.0;       upperLimit_[var] = 1.0;     } //for              solutionType_ = Enum.valueOf(SolutionType_.class, solutionType) ;           // All the variables are of the same type, so the solutionType name is the     // same than the variableType name     variableType_ = new VariableType_[numberOfVariables_];     for (int var = 0; var < numberOfVariables_; var++){       variableType_[var] = Enum.valueOf(VariableType_.class, solutionType) ;         } // for                 } // LZ07_F4      /**     * Evaluates a solution     * @param solution The solution to evaluate     * @throws JMException     */        public void evaluate(Solution solution) throws JMException {      DecisionVariables gen  = solution.getDecisionVariables();            Vector<Double> x = new Vector(numberOfVariables_) ;      Vector<Double> y = new Vector(numberOfObjectives_);      int k = numberOfVariables_ - numberOfObjectives_ + 1;                for (int i = 0; i < numberOfVariables_; i++) {      	x.addElement(gen.variables_[i].getValue());      	y.addElement(0.0) ;      } // for              lz07_.objective(x, y) ;            for (int i = 0; i < numberOfObjectives_; i++)        solution.setObjective(i, y.get(i));     } // evaluate} // LZ07_F4