[smoof_multi_objective_function]
Returns an instance of the MOP5 function as a smoof_multi_objective_function object.
References
R. Viennet, C. Fonteix, and I. Marc, "Multi criteria optimization using a
genetic algorithm for determining a Pareto set," Int. J. Syst. Sci., vol. 27,
no. 2, pp. 255-260, 1996