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Monkey Saddle -- from Wolfram MathWorld
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日期:2024-05-09
A surface which a monkey can straddle with both legs and his tail. A simple Cartesian equation for such a surface is z=x(x^2-3y^2), (1) which can also be given by the parametric equations x(u,v) = u (2) y(u,v) = v (3) z(u,v) = u^3-3uv^2. (4) The monkey sa...看更多