数学建模社区-数学中国
标题:
Pi = 4?
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作者:
宏心
时间:
2016-6-7 09:23
标题:
Pi = 4?
本帖最后由 宏心 于 2016-6-8 04:41 编辑
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Manipulate[
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Graphics[{Table[
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Rotate[{Thin, Circle[],
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Line[{{-1, -1}, {-1, 1}, {1, 1}, {1, -1}, {-1, -1}}], Gray,
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Table[Rectangle[{Cos[ (k \[Pi])/2^(n + 1)],
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Sin[ (k \[Pi])/2^(n + 1)]}, {1, 1}], {k, 1, 2^n - 1}]},
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r \[Pi]/2], {r, 0, 3}]
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}, PlotRange -> 1.1 {{x0[m], x1[m]}, {x0[m], x1[m]}},
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ImageSize -> {550, 450}],
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Row[{Control[{{n, 3, "steps"}, Range[0, 10], Setter}], Spacer[50],
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Control[{{m, 1, "magnification"}, {1, 2, 4, 8}, Setter}]}],
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TrackedSymbols :> {n, m}, ControlPlacement -> Top,
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Initialization :> (x0[1] = -1.1; x0[2] = 0;
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x0[m_] := 1/Sqrt[2] - 1/m; x1[1] = x1[2] = 1.1;
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x1[m_] := 1/Sqrt[2] + 1/(4 m);)]
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作者:
浪漫的事
时间:
2016-6-7 14:54
这什么东东
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