IEVref:103-01-01ID:
Language:enStatus: Obsolete
Term: function
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Definition: relation f such that for any entity a there is exactly one entity b to which a is related by f

NOTE 1 If a is related to b by the function f, then:

  • f is said to be defined for a,
  • a is an argument of the function f,
  • b is a value of the function f and is usually denoted by f(a).

The argument may be an elementary entity, such as a number, or an ordered set of elementary entities, and the same for the value.

NOTE 2 The term function may be qualified according to the nature of the value, e.g. real function, complex function, vector function, or to the character of the relation, e.g. algebraic function, trigonometric function, hyperbolic function.


Publication date:2009-12
Source102-01-10 MOD
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Internal notes:2017-06-02: Cleanup - Remove Attached Image 103-01-01en.gif
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