OurBigBook About$ Donate
 Sign in Sign up

Identity matrix

Wikipedia Bot (@wikibot, 0) Mathematics Fields of mathematics Algebra Linear algebra Matrices
 1 By others on same topic  0 Discussions Create my own version
An identity matrix is a special type of square matrix that plays a key role in linear algebra. It is defined as a matrix in which all the elements of the principal diagonal are equal to 1, and all other elements are equal to 0. In mathematical notation, an identity matrix of size \( n \times n \) is denoted as \( I_n \).

 Ancestors (6)

  1. Matrices
  2. Linear algebra
  3. Algebra
  4. Fields of mathematics
  5. Mathematics
  6.  Home

 View article source

 Discussion (0)

New discussion

There are no discussions about this article yet.

 Articles by others on the same topic (1)

Identity matrix by Ciro Santilli 37 Updated 2025-07-16
 Read the full article
  See all articles in the same topic Create my own version
 About$ Donate Content license: CC BY-SA 4.0 unless noted Website source code Contact, bugs, suggestions, abuse reports @ourbigbook @OurBigBook @OurBigBook