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Python|简单随机漫步实例

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简单随机漫步实例
【Python|简单随机漫步实例】

# 猫的随机漫步import numpy as np import random# 1. 每个数组单元初始化为0，n * m的数组，代表瓷砖被猫到达的次数 #取n = 15, m = 15 mark = np.zeros((15, 15)) # 2. 猫在地板上的位置用坐标(currentX, currentY)表示 #取currentX = 8, currentY = 8 currentX = 8 currentY = 8 meowCurrent = (currentX, currentY) # 3. 猫的移动方向 # imove[0] = 0; # jmove[0] = 1; // 正北方 # imove[1] = 1; # jmove[1] = 1; // 东北方 # imove[2] = 1; # jmove[2] = 0; // 正东方 # imove[3] = 1; # jmove[3] = -1; // 东南方 # imove[4] = 0; # jmove[4] = -1; // 正南方 # imove[5] = -1; # jmove[5] = -1; // 西南方 # imove[6] = -1; # jmove[6] = 0; // 正西方 # imove[7] = -1; # jmove[7] = 1; // 西北方 # 猫的随机漫步通过一个随机数k(0<=k<=7)来模拟 imove = [0, 1, 1, 1, 0, -1, -1, -1] jmove = [1, 1, 0, -1, -1, -1, 0, 1] # 4. nextX = currentX + imove[k], nextY = currentY + jmove[k] # 5. 迭代限制 num = 0 MAX = 500# 判断是否到达过所有瓷砖 def judge_walk(): return 0 in mark# 随机漫步 # global声明全局变量 def random_walk(): k = random.randint(0, 7) global currentX currentX = currentX + imove[k] global currentY currentY = currentY + jmove[k]# 开始模拟 while judge_walk(): num = num + 1 if num >= MAX: break random_walk() while currentX > 14 or currentY > 14 or currentX < 0 or currentY < 0: random_walk() mark[currentX, currentY] = mark[currentX, currentY] + 1 print(judge_walk()) print(mark)

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