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二次曲面
1. quadric surfaceMathematics
2. QuadricIn mathematics, a quadric, or quadric surface, is any D-dimensional hypersurface in (D + 1)-dimensional space defined as the locus of zeros of a quadratic polynomial. In coordinates {x1, x2, ... , xD+1}, the general quadric is defined by the algebraic equation which may be compactly written in vector and matrix notation as: where x = {x1, x2, ...
Read “Quadric” on English Wikipedia
Read “二次曲面” on Japanese Wikipedia
Read “Quadric” on DBpedia
Read “Quadric” on English Wikipedia
Read “二次曲面” on Japanese Wikipedia
Read “Quadric” on DBpedia
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