Difference between revisions of "Function"
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3. a [[factor]] related to or dependent upon other factors: Price is a function of supply and demand. | 3. a [[factor]] related to or dependent upon other factors: Price is a function of supply and demand. | ||
− | 4. | + | 4. '''[[Mathematics]]'''. |
:a. Also called correspondence, map, mapping, transformation. a relation between two sets in which one element of the second set is assigned to each element of the first set, as the expression y = x2; operator. | :a. Also called correspondence, map, mapping, transformation. a relation between two sets in which one element of the second set is assigned to each element of the first set, as the expression y = x2; operator. | ||
:b. Also called multiple-value function. a relation between two sets in which two or more elements of the second set are assigned to each element of the first set, as y2 = x2, which assigns to every x the two values y = +x and y = −x. | :b. Also called multiple-value function. a relation between two sets in which two or more elements of the second set are assigned to each element of the first set, as y2 = x2, which assigns to every x the two values y = +x and y = −x. | ||
:c. a set of ordered pairs in which none of the first elements of the pairs appears twice. | :c. a set of ordered pairs in which none of the first elements of the pairs appears twice. | ||
− | 5. | + | 5. '''[[Geometry]]'''. |
:a. a [[formula]] expressing a relation between the [[angles]] of a triangle and its sides, as sine or cosine. | :a. a [[formula]] expressing a relation between the [[angles]] of a triangle and its sides, as sine or cosine. | ||
:b. [[hyperbolic]] function. | :b. [[hyperbolic]] function. | ||
− | 6. | + | 6. '''[[Grammar]]'''. |
:a. the grammatical role a [[linguistic]] form has or the position it occupies in a particular construction. | :a. the grammatical role a [[linguistic]] form has or the position it occupies in a particular construction. | ||
:b. the grammatical roles or the positions of a linguistic form or form class collectively. | :b. the grammatical roles or the positions of a linguistic form or form class collectively. | ||
− | 7. | + | 7. '''[[Sociology]]'''. the contribution made by a sociocultural phenomenon to an ongoing social system. |
–verb (used without object) | –verb (used without object) | ||
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9. to have or exercise a function; serve: In earlier [[English]] the present tense often functioned as a future. This orange crate can function as a chair. | 9. to have or exercise a function; serve: In earlier [[English]] the present tense often functioned as a future. This orange crate can function as a chair. | ||
+ | |||
==Origin== | ==Origin== | ||
1525–35; < L functiōn- (s. of functiō) a performance, execution, equiv. to funct(us) (ptp. of fungī) performed, executed + -iōn | 1525–35; < L functiōn- (s. of functiō) a performance, execution, equiv. to funct(us) (ptp. of fungī) performed, executed + -iōn | ||
[[Category: General Reference]] | [[Category: General Reference]] |
Revision as of 19:30, 2 August 2009
Pronunciation
fuhngk-shuhn
Noun
1. the kind of action or activity proper to a person, thing, or institution; the purpose for which something is designed or exists; role.
2. any ceremonious public or social gathering or occasion.
3. a factor related to or dependent upon other factors: Price is a function of supply and demand.
4. Mathematics.
- a. Also called correspondence, map, mapping, transformation. a relation between two sets in which one element of the second set is assigned to each element of the first set, as the expression y = x2; operator.
- b. Also called multiple-value function. a relation between two sets in which two or more elements of the second set are assigned to each element of the first set, as y2 = x2, which assigns to every x the two values y = +x and y = −x.
- c. a set of ordered pairs in which none of the first elements of the pairs appears twice.
5. Geometry.
- a. a formula expressing a relation between the angles of a triangle and its sides, as sine or cosine.
- b. hyperbolic function.
6. Grammar.
- a. the grammatical role a linguistic form has or the position it occupies in a particular construction.
- b. the grammatical roles or the positions of a linguistic form or form class collectively.
7. Sociology. the contribution made by a sociocultural phenomenon to an ongoing social system. –verb (used without object)
8. to perform a specified action or activity; work; operate: The computer isn't functioning now. He rarely functions before noon.
9. to have or exercise a function; serve: In earlier English the present tense often functioned as a future. This orange crate can function as a chair.
Origin
1525–35; < L functiōn- (s. of functiō) a performance, execution, equiv. to funct(us) (ptp. of fungī) performed, executed + -iōn