kutsumi

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  • max and min of x y(x^2+y^2-1) on x^2+y^2 <= 4
    Activity

    max and min of x y(x^2+y^2-1) on x^2+y^2 <= 4

    kutsumi

  • max and min of y(x^2+xy+y^2-1) on 4x^2+4xy+3y^2<=1
    Activity

    max and min of y(x^2+xy+y^2-1) on 4x^2+4xy+3y^2<=1

    kutsumi

  • 3次元での回転
    Activity

    3次元での回転

    kutsumi

  • Poo
    Activity

    Poo

    kutsumi