Fig. 3: The average maximum or minimum stacking fault energy (SFE) [mJ⋅m−2] observed on each model in each iteration.
From: Bayesian optimization with adaptive surrogate models for automated experimental design

a The maximum SFE with the initial set of sample size N = 10. b The maximum SFE with the initial set of sample size N = 20. c The minimum SFE with the initial set of sample size N = 10. d The minimum SFE with the initial set of sample size N = 20.