:PROPERTIES: :ID: 546e7943-327d-41b8-8b35-37053964595b :mtime: 20231007011200 :ctime: 20231007011054 :END: #+title: unit vector #+filetags: :project:public: * Definition A Unit vector is a [[id:5864974d-0edf-4757-9b1f-31b159c9aa7a][Vector]] with magnitude 1. * Notation A unit vector is sometimes notated with a hat. For example, we might write $\hat{i}$.