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x
from random import choice
class RandomWalk():
def __init__(self,num_points=5000):
self.num_points = num_points
self.x_values = [0]
self.y_values = [0]
def fill_walk(self):
while len(self.x_values) < self.num_points:
x_direction = choice([1,-1])
x_distance = choice([0,1,2,3,4])
x_step = x_direction * x_distance
y_direction = choice([1,-1])
y_distance = choice([0,1,2,3,4])
y_step = x_direction * x_distance
if x_step == 0 or y_step == 0:
continue
next_x = self.x_values[-1] + x_step
next_y = self.y_values[-1] + y_step
self.x_values.append(next_x)
self.y_values.append(next_y)
import matplotlib.pyplot as plt
from random_walk import RandomWalk
rw = RandomWalk()
rw.fill_walk()
plt.scatter(rw.x_values,rw.y_values,s=15)
plt.show()
代码和书上的都是一样的啊 有什么问题吗
你 y 坐标打错了,不是xdiatance,应该是Y的,,,x轴y轴都一样还怎么漫步。。。。肯定是一条直线啦
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总是产生这种图
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