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In the case of a single parameter, parametric equations are commonly used to express the trajectory of a moving point, in which case, the parameter is often, but not necessarily, time, and the point describes a curve, called a parametric curve. In the case of two parameters, the point describes a surface, called a parametric surface.
The curve is given by the following parametric equations: [2] = ... or by the following polar equation: = ...
In mathematics, and more specifically in geometry, parametrization (or parameterization; also parameterisation, parametrisation) is the process of finding parametric equations of a curve, a surface, or, more generally, a manifold or a variety, defined by an implicit equation. The inverse process is called implicitization. [1] "
In calculus, integration by parametric derivatives, also called parametric integration, [1] is a method which uses known Integrals to integrate derived functions. It is often used in Physics, and is similar to integration by substitution .
In calculus, a parametric derivative is a derivative of a dependent variable with respect to another dependent variable that is taken when both variables depend on an independent third variable, usually thought of as "time" (that is, when the dependent variables are x and y and are given by parametric equations in t).
3-point-form of a hyperbola's equation — The equation of the hyperbola determined by 3 points = (,), =,,, ,, is the solution of the equation () () = () () for . As an affine image of the unit hyperbola x 2 − y 2 = 1
A parametric surface is a surface in the Euclidean space which is defined by a parametric equation with two parameters :. Parametric representation is a very general way to specify a surface, as well as implicit representation .
Quadratrix as a plane curve for side length =, as given by the parametric formula for −∞ < t < ∞, with singularities when t is a nonzero integer multiple of π. If one places such a square with side length in a (Cartesian) coordinate system with the side ¯ on the -axis and with vertex at the origin, then the quadratrix is described by a parametric equation that gives the coordinates of ...