Wallpaper
Written by
Paul Bourke
January 1991
x
_{n+1}
= y
_{n}
- sign(x
_{n}
) | b x
_{n}
- c |
^{1/2}
y
_{n+1}
= a - x
_{n}
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