SHMARQL

Dirac delta function

<http://www.wikidata.org/entity/Q209675>

pseudo-function δ such that an integral of δ(x-c)f(x) always takes the value of f(c)
rdfs:label
"Dirac delta function"@en
skos:altLabel
"Dirac delta distribution"@en
"Dirac function"@en
"impulse function"@en
"unit impulse"@en
"unit impulse symbol"@en
"unit pulse"@en
schema:description
"pseudo-function δ such that an integral of δ(x-c)f(x) always takes the value of f(c)"@en
schema:dateModified "2026-10-19T12:54:22+00:00"^^xsd:dateTime
schema:version 2558781944
wikibase:identifiers 20
wikibase:sitelinks 49
wikibase:statements 31
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p:P8408 wd:statement/Q209675-E46C0602-B234-4262-9899-0122E0C01D58
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wd:statement/Q209675-53abab2b-4834-324d-2197-db71d64ff988
p:direct-normalized/P6366 <https://makg.org/entity/54486999>
p:direct-normalized/P8408 <http://kbpedia.org/kko/rc/DiracDeltaFunction>
wdt:P10283 "C54486999"
wdt:P10376 "computer-science/dirac-delta-function"
"engineering/dirac-delta"
"engineering/dirac-delta-function"
"mathematics/dirac-delta-function"
"mathematics/dirac-function"
"mathematics/diracdelta"
wdt:P12385 "delta-de-dirac"
wdt:P1296 "0022570"
wdt:P1343 ISO 80000-2:2019 Quantities and units — Part 2: Mathematics
wdt:P138 Paul Dirac
wdt:P14534 "Distribution.delta"
wdt:P1482 <https://math.stackexchange.com/tags/dirac-delta>
<https://physics.stackexchange.com/tags/dirac-delta-distributions>
wdt:P1993 "\delta(x)"
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"><munderover><mo form="prefix" stretchy="false">&#x222B;</mo><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mo stretchy="false">&#x2212;</mo><mi mathvariant="normal">&#x221E;</mi></mrow></mrow><mrow data-mjx-texclass="ORD"><mi mathvariant="normal">&#x221E;</mi></mrow></munderover><mi>&#x03C6;</mi><mo stretchy="false">(</mo><mi>t</mi><mo stretchy="false">)</mo><mi>&#x03B4;</mi><mo stretchy="false">(</mo><mi>t</mi><mo stretchy="false">&#x2212;</mo><mi>x</mi><mo stretchy="false">)</mo><mrow data-mjx-texclass="ORD"><mi mathvariant="normal">d</mi></mrow><mi>t</mi><mo stretchy="false">=</mo><mi>&#x03C6;</mi><mo stretchy="false">(</mo><mi>x</mi><mo stretchy="false">)</mo></mstyle></mrow></math>"^^http://www.w3.org/1998/Math/MathML
wdt:P279 measure
distribution
wdt:P2812 "DeltaFunction"
wdt:P3417 "Dirac-Delta-Function"
wdt:P373 "Dirac distribution"
wdt:P3827 "dirac-delta-function"
wdt:P6104 WikiProject Mathematics
wdt:P6366 "54486999"
wdt:P646 "/m/097fd"
wdt:P6900 "δ関数"
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"><mi>&#x03B4;</mi><mo stretchy="false">(</mo><mi>x</mi><mo stretchy="false">)</mo></mstyle></mrow></math>"^^http://www.w3.org/1998/Math/MathML
wdt:P7305 "3892923"
wdt:P8408 "DiracDeltaFunction"
wdt:P8855 "103-03-05"
"351-45-20"
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