NIST

linear search

(algorithm)

Definition: Search an array or list by checking items one at a time.

Also known as sequential search.

Generalization (I am a kind of ...)
search.

Specialization (... is a kind of me.)
transpose sequential search.

Aggregate child (... is a part of or used in me.)
move-to-front heuristic.

See also binary search, hash table.

Note: Average run time is Θ (n/2) when the item is found.

Author: PEB

Implementation

(C)

More information

expected time. Demonstration.


Go to the Dictionary of Algorithms and Data Structures home page.

If you have suggestions, corrections, or comments, please get in touch with Paul E. Black.

Entry modified Thu Oct 27 10:01:17 2005.
HTML page formatted Thu Oct 27 10:13:15 2005.

Cite this as:
Paul E. Black, "linear search", from Dictionary of Algorithms and Data Structures, Paul E. Black, ed., NIST.
http://www.nist.gov/dads/HTML/linearSearch.html

to NIST home page