Python绘制Logistic混沌映射图

import matplotlib.pyplot as plt
import numpy

if __name__ == '__main__':
    xlist = []
    ulist = []
    x0 = 0.5
    times = 1000

    for u in range(0,401):
        u = u/100
        x = u*x0*(1-x0)
        for i in range(times):
            x = u*x*(1-x)
            xlist.append(x)
        
        u = [u]*times
        ulist.extend(u)

    x = numpy.array(ulist)
    y = numpy.array(xlist)


    #plt.plot(x, y, c='yellow', label='Logistic')
    plt.scatter(x, y, s=1, alpha=0.4, label='Logistic')
    plt.ylim((0,1.05))
    plt.xlim((0,4.05))
    plt.show()