PARAMETRIC REPRESENTATION Meaning and
Definition
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Parametric representation refers to a mathematical technique used to express a relationship between variables in terms of one or more parameters. It is commonly employed in the fields of mathematics, engineering, and computer graphics to define curves, surfaces, and other complex objects.
In parametric representation, variables are defined in terms of one or more parameters that control their behavior. These parameters determine the characteristics of the object being represented and allow for easy manipulation and exploration of its properties. For example, in a parametric representation of a curve in two-dimensional space, the x and y coordinates of each point on the curve are expressed as functions of a parameter, typically denoted by t. By varying the value of t, the curve can be traced and its shape can be studied.
Parametric representations offer several advantages over other mathematical approaches. They provide a concise and flexible way to describe complex objects by separating their shape from their position in space. This allows for easy modification of the object's geometric properties, such as size, orientation, and curvature. Additionally, parametric representations are useful for animating objects, as they provide a natural way to describe how an object evolves over time.
In summary, parametric representation is a mathematical technique used to describe curves, surfaces, and other objects by expressing their variables in terms of one or more parameters. It provides a flexible and efficient way to define and manipulate complex objects, making it an essential tool in various fields of study.
Etymology of PARAMETRIC REPRESENTATION
The word "parametric" originates from the Greek word "parametros", which is derived from "para" meaning "beside" or "alongside", and "metros" meaning "measure". It entered English in the early 17th century, primarily used in mathematics and geometry to refer to a characteristic or variable measured or observed alongside another.
The term "representation" comes from the Latin word "repraesentare", which combines "re-" meaning "again" or "back" and "praesentare" meaning "to present". It entered English in the late 14th century and refers to the act of presenting or exhibiting something.
When combined, "parametric representation" describes a method of expressing or presenting a mathematical concept or model using parameters or variables that measure or observe characteristics alongside one another.
