python matplotlib 动态图_matplotlib怎么读

# encoding: utf-8
# @author:Jackson
# @file:1.py
# @time:2021/2/24 22:21
import numpy as np
import matplotlib.pyplot as plt
from scipy.special import jn
from IPython.display import display, clear_output
import time

x = np.linspace(0,5)
f, ax = plt.subplots()
ax.set_title("Bessel functions")
plt.ion()   # 开启一个画图的窗口，用于实时更新图表
for n in range(1,10):
    time.sleep(1)
    ax.plot(x, jn(x,n))
    clear_output(wait=True)
    display(f)
    plt.pause(0.5)  # 设置暂停时间，太快的话图表无法正常显示
# plt.ioff() # 关闭画图的窗口
plt.show()  # 显示图片，防止闪退

# close the figure at the end, so we don't get a duplicate
# of the last plot
plt.close()