宏心 发表于 2016-6-7 09:23

Pi = 4?

本帖最后由 宏心 于 2016-6-8 04:41 编辑

Manipulate[
Graphics[{Table[
    Rotate[{Thin, Circle[],
      Line[{{-1, -1}, {-1, 1}, {1, 1}, {1, -1}, {-1, -1}}], Gray,
      Table)/2^(n + 1)],
         Sin[  (k \)/2^(n + 1)]}, {1, 1}], {k, 1, 2^n - 1}]},
     r \/2], {r, 0, 3}]
   }, PlotRange -> 1.1 {{x0, x1}, {x0, x1}},
  ImageSize -> {550, 450}],
Row[{Control[{{n, 3, "steps"}, Range, Setter}], Spacer,
   Control[{{m, 1, "magnification"}, {1, 2, 4, 8}, Setter}]}],
TrackedSymbols :> {n, m}, ControlPlacement -> Top,
Initialization :> (x0 = -1.1; x0 = 0;
   x0 := 1/Sqrt - 1/m; x1 = x1 = 1.1;
   x1 := 1/Sqrt + 1/(4 m);)]



浪漫的事 发表于 2016-6-7 14:54

这什么东东
页: [1]
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