Plotting Recurrence Tables 3

function_plotting_py.ipynb

import numpy,pylab

def gen(n):

    i=1; xyi=[.1,.1]

    while i<=n:

        yield xyi; i+=1; xi,yi=xyi[0],xyi[1]

        xyi=[.7*xi+yi,-.8+xi**2]

n=200000; xy=gen(n); xyn=numpy.array([el for el in xy])      

pylab.figure(figsize=(10,10)); ax=pylab.gca(); ax.set_facecolor('black')

pylab.scatter(xyn[:,0],xyn[:,1],s=.01,c=[numpy.random.random(3)])

pylab.grid(c='slategray',alpha=.4); pylab.show()