Box-Counting Dimension of the Koch curve

Plotting the points
(Log(1/r0),Log(N(r0))) = (Log(1), Log(1)) = (0,0)
(Log(1/r1),Log(N(r1))) = (Log(3), Log(4)) = (0.477, 0.602)
(Log(1/r2),Log(N(r2))) = (Log(9), Log(12)) = (0.954, 1.079)
(Log(1/r3),Log(N(r3))) = (Log(27), Log(48)) = (1.431, 1.681)
(Log(1/r4),Log(N(r4))) = (Log(81), Log(192)) = (1.908, 2.283)
...
(the graph shows a greater range, and more widely spaced, points than these) we see they lie on a straight line of slope about 1.26.
So the box-counting dimension of the Koch curve is about 1.26.

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