Definition: (1) The inputs for which a function or relation is defined. For instance, 0 is not in the domain of reciprocal (1/x). (2) The possible values of a variable.
See also range, total function.
If you have suggestions, corrections, or comments, please get in touch with Paul Black.
Entry modified 17 December 2004.
HTML page formatted Fri Feb 23 10:06:07 2018.
Cite this as:
Paul E. Black, "domain", in Dictionary of Algorithms and Data Structures [online], Vreda Pieterse and Paul E. Black, eds. 17 December 2004. (accessed TODAY) Available from: https://www.nist.gov/dads/HTML/domain.html