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quadric quadric of revolution

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  • Differential geometry of surfaces — Carl Friedrich Gauss in 1828 In mathematics, the differential geometry of surfaces deals with smooth surfaces with various additional structures, most often, a Riemannian metric. Surfaces have been extensively studied from various perspectives:… …   Wikipedia

  • Alhazen — For the Moon crater, see Alhazen (crater). For the asteroid, see 59239 Alhazen. Alhazen Alhazen (Ibn al Haytham) …   Wikipedia

  • Hyperboloid — Not to be confused with Hyperbolic paraboloid. Hyperboloid of one sheet …   Wikipedia

  • Paraboloid — of revolution In mathematics, a paraboloid is a quadric surface of special kind. There are two kinds of paraboloids: elliptic and hyperbolic. The elliptic paraboloid is shaped like an oval cup and can have a maximum or minimum point. In a… …   Wikipedia

  • hyperboloid — hyperboloidal, adj. /huy perr beuh loyd /, n. Math. a quadric surface having a finite center and some of its plane sections hyperbolas. Equation: x2/a2 + y2/b2 z2/c2 = 1. [1720 30; HYPERBOL(A) + OID] * * * ▪ mathematics       the open surface… …   Universalium

  • Superquadrics — In mathematics, the superquadrics or super quadrics are a family of geometric shapes defined by formulas that resemble those of elipsoids and other quadrics, except that the squaring operations are replaced by arbitrary powers. They can be seen… …   Wikipedia

  • analytic geometry — a branch of mathematics in which algebraic procedures are applied to geometry and position is represented analytically by coordinates. Also called coordinate geometry. [1820 30] * * * Investigation of geometric objects using coordinate systems.… …   Universalium

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