# functional

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## functional

1. Psychol
a. relating to the purpose or context of a behaviour
b. denoting a psychosis such as schizophrenia assumed not to have a direct organic cause, like deterioration or poisoning of the brain
2. Maths a function whose domain is a set of functions and whose range is a set of functions or a set of numbers

## Functional

a mathematical concept originating in the calculus of variations, where it denotes a variable that depends on one or more functions or curves. Examples of functionals are the area bounded by a closed curve of a given length and the work of a force field along a curve. As functional analysis developed, the term “functional” acquired the more general sense of a numbervalued function defined on a linear space.

## functional

[′fəŋk·shən·əl]
(computer science)
In a linear programming problem involving a set of variables xj , j = 1, 2, …, n, a function of the form c1 x1+ c2 x2+ ⋯ + cn xn (where the cj are constants) which one wishes to optimize (maximize or minimize, depending on the problem) subject to a set of restrictions.
(mathematics)
Any function from a vector space into its scalar field.

## functional

(1)
Working correctly.

## functional

(2)
Pertaining to functional programming.

## functional

(3)
References in periodicals archive ?
For patients who have been functionally cured, qHBsAg testing allows them to be placed in a matrix of appropriate lab tests and imaging to determine long term health.
Third, it found that they were functionally interdependent with the aircraft.
Laryngoceles occur when the laryngeal ventricle or its more distal saccule (appendix) becomes functionally obstructed as a result of an increase in intraglottic pressure, such as that caused by excessive coughing, playing a wind instrument, glass blowing, etc.
net worked with ASP and JAVA to create the final site that includes functionally superior trading platforms and proprietary farm management solution software," Robinson says.
By fitting chicks with a "minus" lens, Wallman and his colleagues made the animals functionally farsighted; a "plus" lens made chicks functionally myopic.
Sorenson Communications is the leading provider of Video Relay Service (VRS), the most functionally equivalent form of communications for the deaf and hard-of-hearing to date.
Contract notice: The construction of the water reservoir diana along with accompanying works functionally related to the built tank.
M2 EQUITYBITES-November 21, 2014-Eniro signs SEK20m agreement to offer directory information to functionally disabled people in Sweden
Functionally graded materials; nonlinear analysis of plates and shells.
I was good to the point that it was working functionally,'' Way said of the injury.

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