matplotlib：animation动画
原视频链接：https://www.bilibili.com/video/av16378354/?p=19
import numpy as np
import matplotlib
matplotlib.use(“TkAgg”)
import matplotlib.pyplot as plt
from matplotlib import animation
fig,ax=plt.subplots()
x=np.arange(0,2*np.pi,0.01)
line,=ax.plot(x,np.sin(x))
def animate(i):
line.set_ydata(np.sin(x+i/10))
def init():
line.set_ydata(np.sin(x))
return line,
#frame:总共传入多少帧图像，interval：时间间隔，blit：图像的所有部分都发生变化
ani=animation.FuncAnimation(fig=fig,func=animate,frames=100,init_func=init,interval=20,blit=False)
plt.show()