NIST

constant function

(definition)

Definition: A function that always gives the same value.

See also 0-ary function, unary function, binary function, n-ary function.

Note: A 0-ary or nullary function that is pure (no state or interactions with external variables) must be a constant function.

Author: PEB


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Entry modified 17 December 2004.
HTML page formatted Mon Feb 2 13:10:39 2015.

Cite this as:
Paul E. Black, "constant function", in Dictionary of Algorithms and Data Structures [online], Vreda Pieterse and Paul E. Black, eds. 17 December 2004. (accessed TODAY) Available from: http://www.nist.gov/dads/HTML/constantfunc.html