- Quadric
- Quadric Quad"ric, a. (Math.) Of or pertaining to the second degree. [1913 Webster]
The Collaborative International Dictionary of English. 2000.
Quadric
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Quadric — Quad ric, n. (a) (Alg.) A quantic of the second degree. See {Quantic}. (b) (Geom.) A surface whose equation in three variables is of the second degree. Spheres, spheroids, ellipsoids, paraboloids, hyperboloids, also cones and cylinders with… … The Collaborative International Dictionary of English
quadric — [kwä′drik΄] adj. [< L quadra, a square (akin to quattuor,FOUR) + IC] Math. of the second degree: used of a function with more than two variables n. a quantic of the second degree … English World dictionary
Quadric — In mathematics, a quadric, or quadric surface, is any D dimensional hypersurface defined as the locus of zeros of a quadratic polynomial. In coordinates {x 0, x 1, x 2, ldots, x D}, the general quadric is defined by the algebraic equation… … Wikipedia
quadric — adjective Etymology: International Scientific Vocabulary Date: 1856 quadratic < quadric surface > used where there are more than two variables • quadric noun … New Collegiate Dictionary
quadric — /kwod rik/, Math. adj. 1. of the second degree (said esp. of functions with more than two variables). n. 2. a quadric function. 3. a surface such as an ellipsoid or paraboloid as defined by a second degree equation in three real variables. [1855… … Universalium
quadric — The three dimensional surface represented by a general second degree equation in three variables. By a suitable choice of co ordinates sucha an equation can be reduced to one of the following standard equations If all of the ± are + then it… … Dictionary of automotive terms
quadric — adj. & n. Geom. adj. (of a surface) described by an equation of the second degree. n. a quadric surface. Etymology: L quadra square … Useful english dictionary
Quadric (projective geometry) — In projective geometry a quadric is the set of points of a projective space where a certain quadratic form on the homogeneous coordinates becomes zero. It may also be defined as the set of all points that lie on their dual hyperplanes, under some … Wikipedia
quadric dependence — kvadratinė priklausomybė statusas T sritis fizika atitikmenys: angl. quadric dependence vok. quadratische Abhängigkeit, f rus. квадратичная зависимость, f pranc. dépendance quadratique, f … Fizikos terminų žodynas
quadric form — kvadratinis pavidalas statusas T sritis fizika atitikmenys: angl. quadratic form; quadric form vok. quadratische Form, f rus. квадратичная форма, f pranc. forme quadratique, f … Fizikos terminų žodynas
