identity matrix

square matrix with ones on the main diagonal and zeros elsewhere
rdfs:label
"identity matrix"@en
skos:altLabel
"unit matrix"@en
schema:description
"square matrix with ones on the main diagonal and zeros elsewhere"@en
schema:dateModified "2026-09-25T03:23:04+00:00"^^xsd:dateTime
schema:version 2549155077
wikibase:identifiers 14
wikibase:sitelinks 52
wikibase:statements 29
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p:P12385 wd:statement/Q193794-290aa280-c8ad-4f28-9dcb-256143730723
p:P1296 wd:statement/Q193794-05084390-EFA9-4040-9004-EB33ADF4DAA7
p:P1343 wd:statement/Q193794-52ee0764-4e6a-be56-f486-e89d423a1f6c
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wd:statement/Q193794-a1c72fc7-45f8-6452-84cd-413a3d2f7ddb
p:P2534 wd:statement/Q193794-eac2dfc2-451c-c72c-aa91-8d4fd2100cee
p:P279 wd:statement/Q193794-1180ffcf-47ea-62eb-1030-c5a61e39378b
wd:statement/Q193794-3cecd543-43e1-4c49-c589-890f813c0a5f
wd:statement/Q193794-3d703d61-48a6-916c-2d84-ea73fe582f12
wd:statement/Q193794-4fe698b7-433f-d185-273f-a7291c663793
wd:statement/Q193794-52e75f87-47ad-a2d5-06d7-7659991cbd91
wd:statement/Q193794-655c0036-4639-d78b-e057-2044b77f0d4b
wd:statement/Q193794-caa73212-41f9-d445-5e18-48e49a7f7bb8
wd:statement/Q193794-ce3640e7-46c2-550a-b478-6635375a2981
p:P2812 wd:statement/Q193794-9B7BC030-D697-4A25-9124-2B7230BE141D
p:P4215 wd:statement/Q193794-D6DFB980-38CB-43F7-83B1-34A4E053B338
p:P4746 wd:statement/Q193794-4812B799-489C-439C-9D9D-2D8DCC51E80B
p:P5063 wd:statement/Q193794-1517F66C-7E03-465C-87F5-7EE1884EB6E6
p:P6104 wd:statement/Q193794-BB73FBA7-6169-4B90-B22E-44B675FFF7F2
p:P6366 wd:statement/Q193794-1ACA1E32-91FD-4DA8-81DC-B9A8C347C7CE
p:P646 wd:statement/Q193794-72B3829E-5979-4D29-B94C-3CD97AF4515A
p:P7235 wd:statement/Q193794-22fe936c-4000-b908-bc12-66e4eabdcd60
wd:statement/Q193794-95815ef6-4f30-b995-6a6f-c4a5752dce1d
p:P8814 wd:statement/Q193794-26A5EF9C-5E03-4CCC-BAFA-5329485A1A2B
p:P8855 wd:statement/Q193794-afa33894-4141-4074-8aed-a8036eb702d6
p:P9621 wd:statement/Q193794-246F9E5F-86FE-4BC4-A9B1-94564B77BCA7
p:direct-normalized/P5063 <http://globalwordnet.org/ili/i80589>
p:direct-normalized/P6366 <https://makg.org/entity/134567657>
p:direct-normalized/P8814 <http://wordnet-rdf.princeton.edu/rdf/id/08286178-n>
wdt:P10283 "C134567657"
wdt:P11497 "1.2.E53"
wdt:P12385 "matriu-identitat"
wdt:P1296 "0232838"
wdt:P1343 ISO 80000-2:2019 Quantities and units — Part 2: Mathematics
wdt:P1417 "topic/identity-matrix"
wdt:P1889 matrix of ones
unitary matrix
wdt:P2534 "<math class="mwe-math-element mwe-math-element-inline" xmlns="http://www.w3.org/1998/Math/MathML"><mrow data-mjx-texclass="ORD"><mstyle displaystyle="true" scriptlevel="0"><msub><mrow data-mjx-texclass="INNER"><mo data-mjx-texclass="OPEN">(</mo><mrow data-mjx-texclass="ORD"><mi>𝑰</mi></mrow><mo data-mjx-texclass="CLOSE">)</mo></mrow><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mi>i</mi><mi>k</mi></mrow></mrow></msub><mo stretchy="false">=</mo><msub><mi>&#x03B4;</mi><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mi>i</mi><mi>k</mi></mrow></mrow></msub></mstyle></mrow></math>"^^http://www.w3.org/1998/Math/MathML
wdt:P279 identity element
idempotent matrix
alternating sign matrix
signature matrix
scalar matrix
orthostochastic matrix
unistochastic matrix
permutation matrix
wdt:P2812 "IdentityMatrix"
wdt:P4215 "identity matrix"
wdt:P4746 "133679"
wdt:P5063 "i80589"
wdt:P6104 WikiProject Mathematics
wdt:P6366 "134567657"
wdt:P646 "/m/0g816"
wdt:P7235 "<math class="mwe-math-element mwe-math-element-inline" xmlns="http://www.w3.org/1998/Math/MathML"><mrow data-mjx-texclass="ORD"><mstyle displaystyle="true" scriptlevel="0"><mrow data-mjx-texclass="ORD"><mi>𝑰</mi></mrow></mstyle></mrow></math>"^^http://www.w3.org/1998/Math/MathML
"<math class="mwe-math-element mwe-math-element-inline" xmlns="http://www.w3.org/1998/Math/MathML"><mrow data-mjx-texclass="ORD"><mstyle displaystyle="true" scriptlevel="0"><msub><mi>&#x03B4;</mi><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mi>i</mi><mi>k</mi></mrow></mrow></msub></mstyle></mrow></math>"^^http://www.w3.org/1998/Math/MathML
wdt:P8814 "08286178-n"
wdt:P8855 "102-06-13"
wdt:P9621 "matrice-identica"
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