1 files changed, 0 insertions, 59 deletions
diff --git a/Demo/turtle/tdemo_chaos.py b/Demo/turtle/tdemo_chaos.py
deleted file mode 100644
index d4656f8914..0000000000
--- a/Demo/turtle/tdemo_chaos.py
+++ /dev/null
@@ -1,59 +0,0 @@
-# File: tdemo_chaos.py
-# Author: Gregor Lingl
-# Date: 2009-06-24
-
-# A demonstration of chaos
-
-from turtle import *
-
-N = 80
-
-def f(x):
-    return 3.9*x*(1-x)
-
-def g(x):
-    return 3.9*(x-x**2)
-
-def h(x):
-    return 3.9*x-3.9*x*x
-
-def jumpto(x, y):
-    penup(); goto(x,y)
-
-def line(x1, y1, x2, y2):
-    jumpto(x1, y1)
-    pendown()
-    goto(x2, y2)
-
-def coosys():
-    line(-1, 0, N+1, 0)
-    line(0, -0.1, 0, 1.1)
-
-def plot(fun, start, colour):
-    pencolor(colour)
-    x = start
-    jumpto(0, x)
-    pendown()
-    dot(5)
-    for i in range(N):
-        x=fun(x)
-        goto(i+1,x)
-        dot(5)
-
-def main():
-    reset()
-    setworldcoordinates(-1.0,-0.1, N+1, 1.1)
-    speed(0)
-    hideturtle()
-    coosys()
-    plot(f, 0.35, "blue")
-    plot(g, 0.35, "green")
-    plot(h, 0.35, "red")
-    # Now zoom in:
-    for s in range(100):
-        setworldcoordinates(0.5*s,-0.1, N+1, 1.1)
-    return "Done!"
-
-if __name__ == "__main__":
-    main()
-    mainloop()