from leap_ec.real_rep.problems import CosineFamilyProblem, plot_2d_problem
problem = CosineFamilyProblem(alpha=1.0, global_optima_counts=[2, 2], local_optima_counts=[2, 2])
plot_2d_problem(problem, xlim=(0, 1), ylim=(0, 1), granularity=0.025);