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quadric::noun | Spocien Dictionary
| Type | Words |
|---|---|
| Synonyms | quadric surface |
| Type of | curve, curved shape |
| Has types | hyperboloid |
Examples of quadric
quadric
The stereographic projection presents the quadric hypersurface as a rational hypersurface.
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An ellipsoid is a closed quadric surface that is a three dimensional analogue of an ellipse.
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In mathematics, a paraboloid is a quadric surface of special kind.
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A quadric is thus an example of an algebraic variety.
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The values Q, P and R are often taken to be real numbers or complex numbers, but in fact, a quadric may be defined over any ring.
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By making a suitable Euclidean change of variables, any quadric in Euclidean space can be put into a certain normal form by choosing as the coordinate directions the principal axes of the quadric.
From the en.wikipedia.org
- A curve or surface whose equation (in Cartesian coordinates) is of the second degree
- In 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 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 projective duality of the space.
- Quadrics was a supercomputer company formed in 1996 as a joint venture between Alenia Spazio and the technical team from Meiko Scientific. They produced hardware and software for clustering commodity computer systems into massively parallel systems. ...
- A type of surface described by a second order polynomial equation.
