Test problem from the set of "multi-modal multi-objective functions" as for instance used in the CEC2019 competition.
makeMMF7Function()[smoof_multi_objective_function]
Returns an instance of the MMF7 function as a smoof_multi_objective_function object.
Caitong Yue, Boyang Qu, Kunjie Yu, Jing Liang, and Xiaodong Li, "A novel scalable test problem suite for multi-modal multi-objective optimization," in Swarm and Evolutionary Computation, Volume 48, August 2019, pp. 62–71, Elsevier.