gistfile1.txt

import numpy as np
import matplotlib.pyplot as plt

def getLogValues(logParam):
    y = [0.5]
    for i in range(1, 20):
        v = logParam*y[i-1]*(1-y[i-1])
        if v < 0:
            break
        y.append(v)
    return y[5:20]

logParams = np.arange(0.0, 10.0, 0.01)
logValues = []
for l in logParams:
    v = getLogValues(l)
    plt.scatter([l] * len(v), v)

plt.show()