/**
* Evaluates a solution
*
* @param solution The solution to evaluate
*/
public void evaluate(Solution solution) {
double fitness1, fitness2;
int x, y;
fitness1 = 0.0;
fitness2 = 0.0;
for (int i = 0; i < (numberOfCities_); i++) {
for (int j = 0; j < (numberOfCities_); j++) {
x = ((Permutation) solution.getDecisionVariables().variables_[0]).vector_[i];
y = ((Permutation) solution.getDecisionVariables().variables_[0]).vector_[j];
fitness1 += distanceMatrix_[i][j] * flujo1[x][y];
}
}
for (int i = 0; i < (numberOfCities_); i++) {
for (int j = 0; j < (numberOfCities_); j++) {
x = ((Permutation) solution.getDecisionVariables().variables_[0]).vector_[i];
y = ((Permutation) solution.getDecisionVariables().variables_[0]).vector_[j];
fitness2 += distanceMatrix_[i][j] * flujo2[x][y];
}
}
solution.setObjective(0, fitness1);
solution.setObjective(1, fitness2);
} // evaluate
// -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
@Override
public void evaluate(Solution solution) {
double fitness0 = 0.0;
double fitness1 = 0.0;
double fitness2 = 0.0;
double fitness3 = 0.0;
boolean verificador;
int x;
int y;
// percorre o vetor de solucoes
for (int i = 0; i < numberOfElements_; i++) {
// pega o id da classe
x = ((Permutation) solution.getDecisionVariables()[0]).vector_[i];
// percorre as colunas da matrix de dependencia
for (int k = 0; k < numberOfElements_; k++) {
// verifica se existe dependencia de x para k
if (dependency_matrix_[x][k] == 1) {
verificador = false;
// verifica se a classe já exite
for (int j = 0; j <= i; j++) {
y = ((Permutation) solution.getDecisionVariables()[0]).vector_[j];
if (y == k) {
verificador = true;
}
}
// adiciona os valores ao fitnesse se a classe não tiver sido testada ainda
if (verificador == false) {
fitness0 += attribute_coupling_matrix_[x][k];
fitness1 += method_coupling_matrix_[x][k];
fitness2 += method_return_type_matrix_[x][k];
fitness3 += method_param_type_matrix_[x][k];
}
}
}
}
// System.out.println(fitness0+" "+fitness1+" "+fitness2+" "+fitness3);
solution.setObjective(0, fitness0);
solution.setObjective(1, fitness1);
solution.setObjective(2, fitness2);
solution.setObjective(3, fitness3);
}
/**
* Evaluates a solution
*
* @param solution The solution to evaluate
* @throws JMException
*/
public void evaluate(Solution solution) throws JMException {
DecisionVariables gen = solution.getDecisionVariables();
double[] x = new double[numberOfVariables_];
double[] f = new double[numberOfObjectives_];
double[] theta = new double[numberOfObjectives_ - 1];
int k = numberOfVariables_ - numberOfObjectives_ + 1;
for (int i = 0; i < numberOfVariables_; i++) x[i] = gen.variables_[i].getValue();
double g = 0.0;
for (int i = numberOfVariables_ - k; i < numberOfVariables_; i++)
g += java.lang.Math.pow(x[i], 0.1);
double t = java.lang.Math.PI / (4.0 * (1.0 + g));
theta[0] = x[0] * java.lang.Math.PI / 2;
for (int i = 1; i < (numberOfObjectives_ - 1); i++) theta[i] = t * (1.0 + 2.0 * g * x[i]);
for (int i = 0; i < numberOfObjectives_; i++) f[i] = 1.0 + g;
for (int i = 0; i < numberOfObjectives_; i++) {
for (int j = 0; j < numberOfObjectives_ - (i + 1); j++) f[i] *= java.lang.Math.cos(theta[j]);
if (i != 0) {
int aux = numberOfObjectives_ - (i + 1);
f[i] *= java.lang.Math.sin(theta[aux]);
} // if
} // for
for (int i = 0; i < numberOfObjectives_; i++) solution.setObjective(i, f[i]);
} // evaluate
/**
* Evaluates a solution
*
* @param solution The solution to evaluate
* @throws JMException
*/
public void evaluate(Solution solution) throws JMException {
XReal x = new XReal(solution);
double[] f = new double[numberOfObjectives_];
double sum1 = 0.0;
for (int var = 0; var < numberOfVariables_; var++) {
sum1 +=
StrictMath.pow(
x.getValue(var) - (1.0 / StrictMath.sqrt((double) numberOfVariables_)), 2.0);
}
double exp1 = StrictMath.exp((-1.0) * sum1);
f[0] = 1 - exp1;
double sum2 = 0.0;
for (int var = 0; var < numberOfVariables_; var++) {
sum2 +=
StrictMath.pow(
x.getValue(var) + (1.0 / StrictMath.sqrt((double) numberOfVariables_)), 2.0);
}
double exp2 = StrictMath.exp((-1.0) * sum2);
f[1] = 1 - exp2;
solution.setObjective(0, f[0]);
solution.setObjective(1, f[1]);
} // evaluate
/**
* Evaluates a solution
*
* @param solution The solution to evaluate
* @throws Exception
*/
public void evaluate(Solution solution) throws Exception {
ProblemVariables decisionVariables = solution.getProblemVariables();
double[] f = new double[numberOfObjectives_];
f[0] = decisionVariables.variables[0].getValue();
double g = this.evalG(decisionVariables);
double h = this.evalH(f[0], g);
f[1] = h * g;
solution.setObjective(0, f[0]);
solution.setObjective(1, f[1]);
} // evaluate
/**
* Evaluates a solution
*
* @param solution The solution to evaluate
* @throws JMException
*/
public void evaluate(Solution solution) throws JMException {
Variable[] variable = solution.getDecisionVariables();
double[] f = new double[numberOfObjectives_];
double x1 = variable[0].getValue();
double x2 = variable[1].getValue();
f[0] = 2.0 + (x1 - 2.0) * (x1 - 2.0) + (x2 - 1.0) * (x2 - 1.0);
f[1] = 9.0 * x1 - (x2 - 1.0) * (x2 - 1.0);
solution.setObjective(0, f[0]);
solution.setObjective(1, f[1]);
} // evaluate
/**
* Evaluates a solution.
*
* @param solution The solution to evaluate.
* @throws JMException
*/
public void evaluate(Solution solution) throws JMException {
Variable[] decisionVariables = solution.getDecisionVariables();
double[] x = new double[numberOfVariables_];
for (int i = 0; i < numberOfVariables_; i++) x[i] = decisionVariables[i].getValue();
int count1, count2, count3;
double sum1, sum2, sum3, yj, hj;
sum1 = sum2 = sum3 = 0.0;
count1 = count2 = count3 = 0;
for (int j = 3; j <= numberOfVariables_; j++) {
yj =
x[j - 1] - 2.0 * x[1] * Math.sin(2.0 * Math.PI * x[0] + j * Math.PI / numberOfVariables_);
hj = 4.0 * yj * yj - Math.cos(8.0 * Math.PI * yj) + 1.0;
if (j % 3 == 1) {
sum1 += hj;
count1++;
} else if (j % 3 == 2) {
sum2 += hj;
count2++;
} else {
sum3 += hj;
count3++;
}
}
solution.setObjective(
0,
Math.cos(0.5 * Math.PI * x[0]) * Math.cos(0.5 * Math.PI * x[1])
+ 2.0 * sum1 / (double) count1);
solution.setObjective(
1,
Math.cos(0.5 * Math.PI * x[0]) * Math.sin(0.5 * Math.PI * x[1])
+ 2.0 * sum2 / (double) count2);
solution.setObjective(2, Math.sin(0.5 * Math.PI * x[0]) + 2.0 * sum3 / (double) count3);
} // evaluate
/**
* Evaluates a solution
*
* @param solution The solution to evaluate
* @throws JMException
*/
public void evaluate(Solution solution) throws JMException {
Variable[] gen = solution.getDecisionVariables();
Vector<Double> x = new Vector<Double>(numberOfVariables_);
Vector<Double> y = new Vector<Double>(numberOfObjectives_);
for (int i = 0; i < numberOfVariables_; i++) {
x.addElement(gen[i].getValue());
y.addElement(0.0);
} // for
LZ09_.objective(x, y);
for (int i = 0; i < numberOfObjectives_; i++) solution.setObjective(i, y.get(i));
} // evaluate
/**
* Evaluates a solution
*
* @param solution The solution to evaluate
* @throws JMException
*/
public void evaluate(Solution solution) throws JMException {
DecisionVariables decisionVariables = solution.getDecisionVariables();
double[] x = new double[numberOfVariables_];
double[] fx = new double[numberOfVariables_];
double g;
double h;
double sum;
for (int i = 0; i < numberOfVariables_; i++) x[i] = decisionVariables.variables_[i].getValue();
fx[0] = x[0];
sum = 0.0;
for (int i = 1; i < numberOfVariables_; i++) sum += (x[i] * x[i] - x[0]) * (x[i] * x[i] - x[0]);
g = 1.0 + 9.0 * sum / (numberOfVariables_ - 1.0);
h = 1.0 - Math.sqrt(x[0] / g);
fx[1] = g * h;
solution.setObjective(0, fx[0]);
solution.setObjective(1, fx[1]);
} // evaluate
