Exemple #1
0
 def optimal_solution(self, k, l, pos_params):
     """Create one Pareto-optimal solution with given position parameters."""
     # the result vector
     result = []
     result.extend(pos_params)
     # set the distance parameters
     for i in range(k, k + l):
         result.append(0.35)
     # scale to the correct domains
     for i in range(k + l):
         result[i] *= 2.0 * (i + 1)
     ind = Individual()
     ind.phenome = result
     return ind
Exemple #2
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 def optimal_solution(self, k, l, pos_params):
     """Create one Pareto-optimal solution with given position parameters."""
     result = []
     result.extend(pos_params)
     # calculate the distance parameters
     for i in range(k, k + l):
         w = [1.0] * len(result)
         u = r_sum(result, w)
         tmp1 = abs(math.floor(0.5 - u) + 0.98 / 49.98)
         tmp2 = 0.02 + 49.98 * (0.98 / 49.98 - (1.0 - 2.0 * u) * tmp1)
         result.append(pow(0.35, pow(tmp2, -1.0)))
     # scale to the correct domains
     for i in range(k + l):
         result[i] *= 2.0 * (i + 1)
     ind = Individual()
     ind.phenome = result
     return ind
Exemple #3
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 def optimal_solution(self, k, l, pos_params):
     """Create one Pareto-optimal solution with given position parameters."""
     result = []
     result.extend(pos_params)
     result.extend([0.0] * l)
     # calculate the distance parameters
     result[k + l - 1] = 0.35
     for i in range(k + l - 2, k - 1, -1):
         result_sub = []
         for j in range(i + 1, k + l):
             result_sub.append(result[j])
         w = [1.0] * len(result_sub)
         tmp1 = r_sum(result_sub, w)
         result[i] = pow(0.35, pow(0.02 + 1.96 * tmp1, -1.0))
     # scale to the correct domains
     for i in range(k + l):
         result[i] *= 2.0 * (i + 1)
     ind = Individual()
     ind.phenome = result
     return ind