Novel Two-Stage Method for Low-Order Polynomial Model

Table 1

Detailed information about the training and test data used for each benchmark problem.

Benchmark problems	Number of variables	Number of training points
2-variable Goldstein-Price	2	18
2-variable Branin-Hoo	2	18
3-variable Perm	3	30
3-variable Cubic-Polynomial	3	30
4-variable Power-Sum	4	45
4-variable Hartmann	4	45
10-variable Zakharov	10	198
15-variable Dixon-Price	15	408
20-variable Welch et al. (1992)	20	693