Quadric Definition

Quadric Sentence Examples

• The diameter of a quadric surface is a line at the extremities of which the tangent planes are parallel.

• The physical properties of a heterogeneous body (provided they vary continuously from point to point) are known to depend, in the neighbourhood of any one point of the body, on a quadric function of the co-ordinates with reference to that point.

• When referred to its principal axes, the equation of the quadric takes the form Axi+By2+Czi=M.

• Since they are essentially positive the quadric is an ellipsoid; it is called the momental ellipsoid at 0.

• A curve of the second order is a conic, and is also called a quadric curve; and conversely every conic is a curve of the second order or quadric curve.