Research Article

An Analysis of the RBF Hyperparameter Impact on Surrogate-Assisted Evolutionary Optimization

Table 4

Statistics 5D, multiquadric.

FunctionStatisticκ = 0.01κ = 0.1κ = 1κ = 10

Ackley-05Mean1.489e + 011.083e + 011.032e + 011.134e + 01
SD3.841e + 004.928e + 002.644e + 002.648e + 00
Median1.589e + 019.730e + 001.041e + 011.203e + 01
Min5.115e + 003.771e + 005.193e + 005.197e + 00
Max1.971e + 011.851e + 011.447e + 011.477e + 01
-value2.829e − 064.238e − 014.888e − 02

Dixon-05Mean1.228e + 024.939e + 008.916e + 013.662e + 02
SD1.155e + 027.272e + 001.376e + 026.810e + 02
Median8.671e + 012.390e + 005.086e + 011.050e + 02
Min7.622e + 004.486e − 011.659e + 001.686e + 00
Max5.362e + 023.944e + 017.063e + 023.443e + 03
-value5.208e − 112.883e − 085.554e − 08

Griewank-05Mean3.526e + 009.077e + 001.900e + 011.316e + 01
SD2.545e + 008.885e + 001.387e + 019.310e + 00
Median2.610e + 006.687e + 001.620e + 011.282e + 01
Min6.409e − 012.856e − 011.048e + 002.213e + 00
Max1.007e + 014.335e + 015.363e + 015.079e + 01
-value6.053e − 051.748e − 082.654e − 08

Rastrigin-05Mean3.636e + 013.500e + 011.314e + 011.367e + 01
SD1.156e + 011.030e + 018.408e + 008.820e + 00
Median3.753e + 013.636e + 011.109e + 011.101e + 01
Min1.281e + 018.895e + 002.029e + 002.426e + 00
Max5.083e + 015.855e + 013.887e + 013.784e + 01
-value1.528e − 095.277e − 094.238e − 01

Rosenbrock-05Mean2.763e + 016.443e + 003.542e + 001.604e + 01
SD2.164e + 018.784e + 001.333e + 002.136e + 01
Median1.593e + 013.464e + 003.613e + 006.037e + 00
Min3.526e + 006.503e − 027.370e − 011.503e − 01
Max8.159e + 014.343e + 016.196e + 009.069e + 01
-value6.146e − 104.122e − 011.257e − 05