Figure 9
The line graph with the horizontal axis contains the markings “Iteration” and ranges from 0 to 1000 with an increment of 200 units. The vertical axis of the graph is labeled “Cost Function” and shows markings 400, 500, 600, 700, 800, 900, 1000, 1100, and 1200 with unequal intervals. The legend of the graph includes a blue line for B R O 1, a red line for B R O 2, a yellow line for B R O 3, a purple line for B R O 4, and a green line for B R O 5. All lines begin at the vertical axis, descend with fluctuations, and remain flat from around 440 iterations till the end.Convergence plot for 5 runs of BRO for the Cantilever problem. Source: Authors' own work