Ai Ling Wang
Abstract
This article has proved tangent-points have a common plane when quadratic surface is tangent to plane passing by the point outside quadratic surface , discussed several properties of quadratic surface tangent to plane.
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This article has proved tangent-points have a common plane when quadratic surface is tangent to plane passing by the point outside quadratic surface , discussed several properties of quadratic surface tangent to plane.
Key concepts: Tangent, Quadratic equation, Surface (topology), Plane (geometry), Tangent space, Point (geometry), Mathematics, Tangent stiffness matrix