SHMARQL

Fourier series

<http://www.wikidata.org/entity/Q179467>

decomposition of periodic functions into sums of simpler sinusoidal forms
Fourier series
rdfs:label
"Fourier series"@en
skos:altLabel
"የፎሪየር ድርድር"@am
"ፎሪየር"@am
"ፎሪየር ድርድር"@am
schema:description
"decomposition of periodic functions into sums of simpler sinusoidal forms"@en
schema:dateModified "2026-06-12T11:50:11+00:00"^^xsd:dateTime
schema:version 2505042223
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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>f</mi><mo stretchy="false">(</mo><mi>x</mi><mo stretchy="false">)</mo><mo stretchy="false">=</mo><mrow data-mjx-texclass="ORD"><mfrac><mrow data-mjx-texclass="ORD"><mn>1</mn></mrow><mrow data-mjx-texclass="ORD"><mn>2</mn></mrow></mfrac></mrow><msub><mi>a</mi><mrow data-mjx-texclass="ORD"><mn>0</mn></mrow></msub><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>n</mi><mo stretchy="false">=</mo><mn>1</mn></mrow></mrow><mrow data-mjx-texclass="ORD"><mi mathvariant="normal">&#x221E;</mi></mrow></munderover></mstyle><mo stretchy="false">(</mo><msub><mi>a</mi><mrow data-mjx-texclass="ORD"><mi>n</mi></mrow></msub><mi>cos</mi><mo>&#x2061;</mo><mo stretchy="false">(</mo><mi>n</mi><mi>x</mi><mo stretchy="false">)</mo><mo stretchy="false">+</mo><msub><mi>b</mi><mrow data-mjx-texclass="ORD"><mi>n</mi></mrow></msub><mi>sin</mi><mo>&#x2061;</mo><mo stretchy="false">(</mo><mi>n</mi><mi>x</mi><mo stretchy="false">)</mo><mo stretchy="false">)</mo></mstyle></mrow></math>"^^http://www.w3.org/1998/Math/MathML
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