kutsumi – Resources – GeoGebra

円柱貫通体（3本）
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円柱貫通体（2本）
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赤い点はどれも単振動してるだけ
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え？単振動だけ？
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Eigen values & Eigen vectors
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4点を通る放物線
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Helicoid & Catenoid
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3円柱貫通体
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f(x,y)=x y (x^2+y^2-1) の x^2+y^2<=2 での最大・最小
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黒丸を動かして黒い矢印と赤い矢印が重なる所を探そう
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ベクトルの外積
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平面上の1次変換
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A homotopy from (ab)c to a(bc)
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a homotopy from a a^{-1} to e_{x_0}
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a homotopy from f to g
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円の面積
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max and min of x y(x^2+y^2-1) on x^2+y^2 <= 4
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max and min of y(x^2+xy+y^2-1) on 4x^2+4xy+3y^2<=1
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3次元での回転
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Poo
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Group law on a cubic curve
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Quadratic surface
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Partial Derivative
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Total Derivative
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