natural logarithm

logarithm to the base of the mathematical constant e
rdfs:label
"natural logarithm"@en
skos:altLabel
"Naperian logarithm"@en
"Napierian logarithm"@en
"base-e logarithm"@en
"hyperbolic logarithm"@en
"ln x"@en
"ln(x)"@en
"log base e"@en
"logarithm base e"@en
"logarithmus naturalis"@en
"natural lg"@en
"natural log"@en
"natural logarithm function"@en
"natural logarithmic function"@en
schema:description
"logarithm to the base of the mathematical constant e"@en
schema:dateModified "2026-11-09T07:35:24+00:00"^^xsd:dateTime
schema:version 2566986512
wikibase:identifiers 15
wikibase:sitelinks 66
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p:direct-normalized/P2347 <http://www.yso.fi/onto/yso/p11567>
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p:direct-normalized/P7033 <http://vocabulary.curriculum.edu.au/scot/15168>
wdt:P10 <http://commons.wikimedia.org/wiki/Special:FilePath/Ln%28x%29%20ableiten%20-%20Logarithmusfunktionen%20ableiten.webm>
wdt:P10283 "C56017942"
wdt:P10376 "computer-science/natural-logarithm"
"engineering/natural-logarithm"
"mathematics/natural-logarithm"
wdt:P10969 "<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>ln</mi><mo>&#x2061;</mo><mo stretchy="false">(</mo><mn>1</mn><mo stretchy="false">+</mo><mi>x</mi><mo stretchy="false">)</mo><mo stretchy="false">=</mo><mstyle displaystyle="true" scriptlevel="0"><munderover><mo stretchy="false">&#x2211;</mo><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mi>k</mi><mo stretchy="false">=</mo><mn>1</mn></mrow></mrow><mrow data-mjx-texclass="ORD"><mi mathvariant="normal">&#x221E;</mi></mrow></munderover></mstyle><mrow data-mjx-texclass="ORD"><mfrac><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mo stretchy="false">(</mo><mo stretchy="false">&#x2212;</mo><mn>1</mn><msup><mo stretchy="false">)</mo><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mi>k</mi><mo stretchy="false">&#x2212;</mo><mn>1</mn></mrow></mrow></msup></mrow></mrow><mrow data-mjx-texclass="ORD"><mi>k</mi></mrow></mfrac></mrow><msup><mi>x</mi><mrow data-mjx-texclass="ORD"><mi>k</mi></mrow></msup><mo stretchy="false">=</mo><mi>x</mi><mo stretchy="false">&#x2212;</mo><mrow data-mjx-texclass="ORD"><mfrac><mrow data-mjx-texclass="ORD"><msup><mi>x</mi><mrow data-mjx-texclass="ORD"><mn>2</mn></mrow></msup></mrow><mrow data-mjx-texclass="ORD"><mn>2</mn></mrow></mfrac></mrow><mo stretchy="false">+</mo><mrow data-mjx-texclass="ORD"><mfrac><mrow data-mjx-texclass="ORD"><msup><mi>x</mi><mrow data-mjx-texclass="ORD"><mn>3</mn></mrow></msup></mrow><mrow data-mjx-texclass="ORD"><mn>3</mn></mrow></mfrac></mrow><mo stretchy="false">&#x2212;</mo><mo stretchy="false">&#x22EF;</mo></mstyle></mrow></math>"^^http://www.w3.org/1998/Math/MathML
wdt:P12888 "df-log"
wdt:P1343 ISO 80000-2:2019 Quantities and units — Part 2: Mathematics
wdt:P1417 "topic/natural-logarithm"
wdt:P1568 set of positive real numbers
wdt:P1571 set of real numbers
wdt:P18 <http://commons.wikimedia.org/wiki/Special:FilePath/Log.svg>
wdt:P1851 set of non-negative real numbers
wdt:P2283 Euler's number
wdt:P2347 "11567"
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"><mi>ln</mi><mo>&#x2061;</mo><mi>x</mi><mo stretchy="false">=</mo><mstyle displaystyle="true" scriptlevel="0"><munderover><mo stretchy="false">&#x2211;</mo><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mi>k</mi><mo stretchy="false">=</mo><mn>1</mn></mrow></mrow><mrow data-mjx-texclass="ORD"><mi mathvariant="normal">&#x221E;</mi></mrow></munderover></mstyle><mfrac><mrow><msup><mi>z</mi><mrow data-mjx-texclass="ORD"><mi>k</mi></mrow></msup></mrow><mrow><mi>k</mi></mrow></mfrac><mo stretchy="false">=</mo><mi>z</mi><mo stretchy="false">+</mo><mfrac><mrow><msup><mi>z</mi><mrow data-mjx-texclass="ORD"><mn>2</mn></mrow></msup></mrow><mrow><mn>2</mn></mrow></mfrac><mo stretchy="false">+</mo><mfrac><mrow><msup><mi>z</mi><mrow data-mjx-texclass="ORD"><mn>3</mn></mrow></msup></mrow><mrow><mn>3</mn></mrow></mfrac><mo stretchy="false">+</mo><mo stretchy="false">&#x22EF;</mo></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"><mi>ln</mi><mo>&#x2061;</mo><mi>x</mi><mo stretchy="false">=</mo><msub><mi>log</mi><mrow data-mjx-texclass="ORD"><mrow data-mjx-texclass="ORD"><mi mathvariant="normal">e</mi></mrow></mrow></msub><mi>x</mi></mstyle></mrow></math>"^^http://www.w3.org/1998/Math/MathML
wdt:P279 logarithm
polylogarithm
wdt:P2812 "NaturalLogarithm"
wdt:P31 logarithm
type of mathematical function
elementary function
wdt:P5610 "transc1#ln"
wdt:P6104 WikiProject Mathematics
wdt:P6366 "56017942"
wdt:P646 "/m/05d2y"
wdt:P7033 "scot/15168"
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>ln</mi><mo>&#x2061;</mo><mi>x</mi></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>log</mi><mrow data-mjx-texclass="ORD"><mi>a</mi></mrow></msub><mi>x</mi></mstyle></mrow></math>"^^http://www.w3.org/1998/Math/MathML
wdt:P7726 "ApproximationOfTheLogFunction"
"NaturalLogarithm"
wdt:P8865 natural exponential function
wdt:P8885 "자연로그"
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