identity matrix

noun

A diagonal matrix all of whose diagonal elements are equal to 1.

Similar
unit matrix
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

nounidentity matrix (plural identity matrices or identity matrixes)

plural identity matrices · plural identity matrixes

  1. linear algebraA diagonal matrix all of whose diagonal elements are equal to 1.

    Synonyms: unit matrix

Synonyms & antonyms

nounA diagonal matrix all of whose diagonal elements are equal to 1.

Similar
unit matrix

More synonyms by meaning

nouna scalar matrix in which all of the diagonal elements are unity

Similar
unit matrix
Broader
scalar matrix
Also see
unit matrix

Synonym sets from Open English WordNet, CC BY 4.0.

Translations

Catalan matriu identitat
  • matriu identitatdiagonal matrix with all diagonal elements equal to 1
Chinese Mandarin 單位矩陣 /单位矩阵, 單位方陣 /单位方阵
  • 單位矩陣 /单位矩阵 (dānwèi jǔzhèn)diagonal matrix with all diagonal elements equal to 1
  • 單位方陣 /单位方阵 (dānwèi fāngzhèn)diagonal matrix with all diagonal elements equal to 1
Czech jednotková matice
  • jednotková maticediagonal matrix with all diagonal elements equal to 1
Danish identitetsmatrix, enhedsmatrix
  • identitetsmatrixdiagonal matrix with all diagonal elements equal to 1
  • enhedsmatrixdiagonal matrix with all diagonal elements equal to 1
Dutch eenheidsmatrix
  • eenheidsmatrixdiagonal matrix with all diagonal elements equal to 1
Estonian ühikmaatriks
  • ühikmaatriksdiagonal matrix with all diagonal elements equal to 1
Finnish yksikkömatriisi, identiteettimatriisi
  • yksikkömatriisidiagonal matrix with all diagonal elements equal to 1
  • identiteettimatriisidiagonal matrix with all diagonal elements equal to 1
French matrice identité, matrice unité
  • matrice identitédiagonal matrix with all diagonal elements equal to 1
  • matrice unitédiagonal matrix with all diagonal elements equal to 1
German Einheitsmatrix, Identitätsmatrix
  • Einheitsmatrixdiagonal matrix with all diagonal elements equal to 1
  • Identitätsmatrixdiagonal matrix with all diagonal elements equal to 1
Hungarian egységmátrix, identitásmátrix
  • egységmátrixdiagonal matrix with all diagonal elements equal to 1
  • identitásmátrixdiagonal matrix with all diagonal elements equal to 1
Icelandic einingarfylki
  • einingarfylkidiagonal matrix with all diagonal elements equal to 1
Italian matrice identità
  • matrice identitàdiagonal matrix with all diagonal elements equal to 1
Japanese 単位行列
  • 単位行列 (tan'i gyōretsu)diagonal matrix with all diagonal elements equal to 1
Norwegian identitetsmatrise
  • identitetsmatrisediagonal matrix with all diagonal elements equal to 1
Polish macierz jednostkowa
  • macierz jednostkowadiagonal matrix with all diagonal elements equal to 1
Portuguese matriz identidade
  • matriz identidadediagonal matrix with all diagonal elements equal to 1
Romanian matrice unitate, matrice identitate
  • matrice unitatediagonal matrix with all diagonal elements equal to 1
  • matrice identitatediagonal matrix with all diagonal elements equal to 1
Russian едини́чная ма́трица
  • едини́чная ма́трица (jediníčnaja mátrica)diagonal matrix with all diagonal elements equal to 1
Spanish matriz identidad
  • matriz identidaddiagonal matrix with all diagonal elements equal to 1
Swedish enhetsmatris
  • enhetsmatrisdiagonal matrix with all diagonal elements equal to 1
Tagalog isahing baskagan
  • isahing baskagandiagonal matrix with all diagonal elements equal to 1
Thai เมทริกซ์เอกลักษณ์
  • เมทริกซ์เอกลักษณ์diagonal matrix with all diagonal elements equal to 1
Cite this entry
APA

identity matrix. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/identity%20matrix

MLA

“identity matrix.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/identity%20matrix. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “identity matrix,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/identity%20matrix.

Source: identity matrix on Wiktionary, CC BY-SA 4.0.