[smoof_multi_objective_function]
Returns an instance of the MOP1 function as a smoof_multi_objective_function object.
References
J. D. Schaffer, "Multiple objective optimization with vector evaluated
genetic algorithms," in Proc. 1st Int. Conf. Genetic Algorithms and Their
Applications, J. J. Grenfenstett, Ed., 1985, pp. 93-100.