You are now asked to minimize both objectives (cost and hoop stress) simultaneously. Plot the Pareto frontier for this bi-objective problem. Determine whether and when the solutions you obtained in...

You are now asked to minimize both objectives (cost and hoop stress) simultaneously. Plot the Pareto frontier for this bi-objective problem. Determine whether and when the solutions you obtained in No. 1 and No. 3 belong to the Pareto frontier of the bi-objective problem.