Image: Wikimedia Commons

unit vector

Vector of length one

Instance of: orientation
Subclass of: vector

Overview

From Wikipedia, the free encyclopedia · Read full article · Text CC BY-SA 4.0

In mathematics, a unit vector in a normed vector space is a vector of length 1. A unit vector is often denoted by a lowercase letter with a circumflex, or "hat", as in . The term normalized vector is sometimes used as a synonym for unit vector.

Overview

All data

18 statements · 28% with external sources · numbers in brackets are citations

Defining formula: |\boldsymbol{e}| = 1
In defining formula: \boldsymbol{e} symbol represents: unit vector
|\boldsymbol{a}| symbol represents: vector length
Said to be the same as: unit vector
Has use: direction

On other databases

11 identifiers linking unit vector across the web's reference databases

Data quality

statements

28%

externally sourced

Source last edited August 24, 2026. AIDB refreshes this page daily.

Suggest a fact or correction

Links

Use this data

curl https://aidb.si/api/v1/entities/Q36255

API docs, limits & keys

Cite this page

AIDB. (2026). unit vector (Q36255). Retrieved from https://aidb.si/e/unit-vector-Q36255