@Override
public Solution generate() {
Solution solution = newSolution();
EncodingUtils.setReal(solution.getVariable(0), 3.0);
EncodingUtils.setReal(solution.getVariable(1), 0.5);
evaluate(solution);
return solution;
}
@Override
public void evaluate(Solution solution) {
double[] x = EncodingUtils.getReal(solution);
double[] psum = new double[numberOfObjectives];
double[] zz = new double[numberOfVariables];
// apply transform to convert from UF11 to DTLZ2
CEC2009.transform(
x,
zz,
psum,
numberOfVariables == 10 ? M_10D : M_30D,
numberOfVariables == 10 ? lamda_l_10D : lamda_l_30D,
numberOfVariables,
numberOfObjectives);
// evaluate the transformed solution with DTLZ2
Solution transformedSolution = problem.newSolution();
EncodingUtils.setReal(transformedSolution, zz);
problem.evaluate(transformedSolution);
// convert the DTLZ2 results back to UF11
for (int i = 0; i < numberOfObjectives; i++) {
solution.setObjective(
i, 2.0 / (1.0 + Math.exp(-psum[i])) * (transformedSolution.getObjective(i) + 1));
}
}