fitness_evaluation_tsp.py

# 2. Evaluation of the fitness

#individual solution
def fitness_eval(city_list, cities_dict):
    total = 0
    for i in range(n_cities-1):
        a = city_list[i]
        b = city_list[i+1]
        total += compute_city_distance_names(a,b, cities_dict)
    return total

#All solutions
def get_all_fitnes(population_set, cities_dict):
    fitnes_list = np.zeros(n_population)

    #Looping over all solutions computing the fitness for each solution
    for i in  range(n_population):
        fitnes_list[i] = fitness_eval(population_set[i], cities_dict)

    return fitnes_list