update

Morvan Zhou · Morvan Zhou · commit 3c25f0bfd0ba · 2017-07-27T13:29:13.000+10:00
diff --git a/tutorial-contents/Genetic Algorithm/Genetic Algorithm Basic.py b/tutorial-contents/Genetic Algorithm/Genetic Algorithm Basic.py
@@ -34,7 +34,7 @@ def select(pop, fitness):    # nature selection wrt pop's fitness
 def crossover(parent, pop_copy):     # mating process (genes crossover)
     if np.random.rand() < CROSS_RATE:
         i_ = np.random.choice(np.arange(POP_SIZE), size=1)                  # select another individual from pop
-        cross_points = np.random.randint(0, 2, DNA_SIZE).astype(np.bool)    # choose a crossover points
+        cross_points = np.random.randint(0, 2, DNA_SIZE).astype(np.bool)    # choose crossover points
         parent[cross_points] = pop[i_, cross_points]                        # mating and produce one child
     return parent
 
