Wallpaper

Written by Paul Bourke
January 1991
xn+1 = yn - sign(xn) | b xn - c |1/2
yn+1 = a - xn



a = 1, b = 4, c = 60



a = 0.4, b = 1, c = 0



a = -1, b = -2, c = -3



a = -1000, b = 0.1, c = -10