Info logo
Encyclopedia

  

NP

Home :: Up
Google
www.fastload.org

NP

In complexity theory, NP ("Non-deterministic Polynomial-time") is the set of decision problems solvable in polynomial time on a non-deterministic Turing machine. Or, equivalently, YES answers are checkable in polynomial time on a deterministic Turing machine given the right information.

A language L belongs to NP if there exists a two input polynomial time algorithm A and a constant c such that

L = {x in {0,1} | ∃ certificate, y with |y| = O(xc) such that A(x,y) = 1}
Algorithm A verifies L in polynomial time.


See Complexity classes P and NP and NP-Complete.

Alternate use: NP is also the ISO country code for Nepal.

Try putting this code snipplet on your page

This article is licensed under the GNU Free Documentation License.
You may copy and modify it as long as the entire work (including additions) remains under this license.
To view or edit this article at Wikipedia, follow this link.