PYTHON - MATPLOTLIB - NUMPY - ANIMATION 3

 

import matplotlib.pyplot as plt

from matplotlib.animation import FuncAnimation

import numpy as np

fig, ax = plt.subplots()

xdata, ydata = [], []

ln, = plt.plot([], [], 'ro')

def init():

    ax.set_xlim(0, 2*np.pi)

    ax.set_ylim(-1, 1)

    return ln,

def update(frame):

    xdata.append(frame)

    ydata.append(np.sin(frame))

    ln.set_data(xdata, ydata)

    return ln,

ani = FuncAnimation(fig, update, frames=np.linspace(0, 2*np.pi, 128),

                    init_func=init, blit=True)

plt.show()