Table 7 Statistical results for 25-bar case 1 and 2 using CI–SAPF and CI–SAPF–CBO

From: Cohort intelligence with self-adaptive penalty function approach hybridized with colliding bodies optimization algorithm for discrete and mixed variable constrained problems

Results CI–SAPF CI–SAPF–CBO
Case 1 Case 2 Case 1 Case 2
Best 512.81 470.14 512.81 473.47
Mean 530.87 486.79 531.95 485.97
Worst 548.61 498.06 543.07 487.94
Std. Dev 10.16 6.80 8.80 2.82
Avg. CPU Time \((sec)\) 12.21 15.95 11.71 22.18
Avg. Function Evaluations 22,588 26,796 21,652 28,513