A quadric is a quadratic surface. A surface of the form
is also called a quadric, and is said to be the parameter of the quadric.
A quadric is a quadratic surface. A surface of the form
is also called a quadric, and is said to be the parameter of the quadric.
Weisstein, Eric W. "Quadric." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Quadric.html