exponential_fitness_map
ludics.exponential_fitness_map(fitness, selection_intensity, **kwargs)
Returns fitness mapped by the function \(e^{\epsilon\pi_i(\mathbf{a})}\)
Parameters
fitness: numpy.array - the fitness of the players in the state. May also take a float for a single player's fitness
selection_intensity: numpy.array - the selection intensity of the system
Returns
numpy.array - the scaled fitness of the state