Parametric may refer to:

Mathematics

Parametric equation In mathematics, a parametric equation defines a group of quantities as functions of one or more independent variables called parameters. Parametric equations are commonly used to express the coordinates of the points that make up a geometric ob ...

, a representation of a curve through equations, as functions of a variable *

Parametric statistics Parametric statistics is a branch of statistics which assumes that sample data comes from a population that can be adequately modeled by a probability distribution that has a fixed set of parameters. Conversely a non-parametric model does not ass ...

, a branch of statistics that assumes data has come from a type of probability distribution * Parametric derivative, a type of derivative in calculus *

Parametric model In statistics, a parametric model or parametric family or finite-dimensional model is a particular class of statistical models. Specifically, a parametric model is a family of probability distributions that has a finite number of parameters. Defi ...

, a family of distributions that can be described using a finite number of parameters * Parametric oscillator, a harmonic oscillator whose parameters oscillate in time *

Parametric surface A parametric surface is a surface in the Euclidean space \R^3 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. Surfaces that oc ...

, a particular type of surface in the Euclidean space R³ *

Parametric family In mathematics and its applications, a parametric family or a parameterized family is a family of objects (a set of related objects) whose differences depend only on the chosen values for a set of parameters. Common examples are parametrized (fa ...

, a family of objects whose definitions depend on a set of parameters

Science

* Parametric process, in optical physics, any process in which an interaction between light and matter does not change the state of the material *

Spontaneous parametric down-conversion Spontaneous parametric down-conversion (also known as SPDC, parametric fluorescence or parametric scattering) is a nonlinear instant optical process that converts one photon of higher energy (namely, a pump photon), into a pair of photons (namely, ...

, in quantum optics, a source of entangled photon pairs and of single photons * Optical parametric amplifier, a type of laser light source that emits light of variable wavelengths *

Statistical parametric mapping Statistical parametric mapping (SPM) is a statistical technique for examining differences in brain activity recorded during functional neuroimaging experiments. It was created by Karl Friston. It may alternatively refer to software created by th ...

, a statistical technique for examining differences in brain activity recorded during functional neuroimaging *

Parametric search In the design and analysis of algorithms for combinatorial optimization, parametric search is a technique invented by for transforming a decision algorithm (does this optimization problem have a solution with quality better than some given thre ...

Financial services

Parametric contract Parametric insurance (also called index-based insurance) is a non-traditional insurance product that offers pre-specified payouts based upon a trigger event. Trigger events depend on the nature of the parametric policy and can include environmental ...

, a financial or investment contract *

Parametric insurance Parametric insurance (also called index-based insurance) is a non-traditional insurance product that offers pre-specified payouts based upon a trigger event. Trigger events depend on the nature of the parametric policy and can include environmental ...

, insurance that agrees to make a payment upon the occurrence of a triggering event *

Parametric feature based modeler Solid modeling (or solid modelling) is a consistent set of principles for mathematical and computer modeling of three-dimensional shapes '' (solids)''. Solid modeling is distinguished from related areas of geometric modeling and computer graph ...

, a modeler using features defined to be parametric shapes associated with attributes

Computing

Parametric polymorphism In programming languages and type theory, parametric polymorphism allows a single piece of code to be given a "generic" type, using variables in place of actual types, and then instantiated with particular types as needed. Parametrically polymor ...

, a feature of some type systems in computer programming *

Parametric animation Parametric animation is an animation technique used in video game graphics that combines two or more separate animations together to form a new composite animation. This new animation is constructed in real-time by the game engine rather than bein ...

, a computer-animation technique *

Parametric Technology Corporation PTC Inc. (formerly Parametric Technology Corporation) is an American computer software and services company founded in 1985 and headquartered in Boston, Massachusetts. The global technology company has over 6,000 employees across 80 offices in ...

, an American technology company *

Software parametric models A parametric model is a set of related mathematical equations that incorporates variable parameters. A scenario In the performing arts, a scenario (, ; ; ) is a synoptical collage of an event or series of actions and events. In the ''commedia ...

, a set of related mathematical equations that incorporates variable parameters

Other uses

, a modeler using features defined to be parametric shapes associated with attributes *

Parametric determinism Parametric determinism is a Marxist interpretation of the course of history. It was formulated by Ernest Mandel and can be viewed as one variant of Karl Marx's historical materialism or as a philosophy of history. In an article critical of the ...

, a Marxist interpretation of the course of history *

Parametric equalizer Equalization, or simply EQ, in sound recording and reproduction is the process of adjusting the volume of different frequency bands within an audio signal. The circuit or equipment used to achieve this is called an equalizer. Most hi-fi eq ...

, a multi-band variable equalizer *

Parametric array A parametric array, in the field of acoustics, is a nonlinear transduction mechanism that generates narrow, nearly side lobe-free beams of low frequency sound, through the mixing and interaction of high frequency sound waves, effectively overcomi ...

, a nonlinear transduction mechanism *

Parametric design Parametric design is a design method where features (such as building elements and engineering components) are shaped according to algorithmic processes, in contrast to being designed directly. In this method, parameters and rules determine the r ...

, a design process

Mathematics

Science

Financial services

Computing

Other uses

See also