
* The saddle-shaped plaster model shows a hyperbolic paraboloid. The surface is represented by the equation: **x2/a2 - y2/b2 = 2z**. * Седловидная гипсовая модель изображает гиперболический параболоид и является частью серии моделей квадратичных поверхностей второго порядка. На модели изображена сетка из перпендикулярных линий кривизны. Поверхность представлена уравнением: **x2/a2 - y2/b2 = 2z**. * *(метка Р28)* Source: Objaverse 1.0 / Sketchfab
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