
Even function
Concept history
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Revision 2368
8/26/2026, 8:59:04 AM · Sequoia
Shared settings updated from fr translation
linked exercisesNoneMes premières fonctions paires, Une fonction ni paire ni impaire...
Revision 2362
8/26/2026, 7:53:12 AM · Catalpa
Updated text
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A function $f:\R \rightarrow \R$ is even if, for all $x\in \R$, $f(-x)=f(x)$.2
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##### Examples and remarks5
- Compare with [[Odd function|odd function]].6
- Cosinus function is even.Revision 926
8/5/2026, 7:15:21 AM · Sequoia
Concept marked usable
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Revision 925
8/5/2026, 7:15:12 AM · Sequoia
Concept edited
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1
A function $f:\R \rightarrow \R$ is even if, for all $x\in \R$, $f(-x)=f(x)$.2
3
4
##### Examples and remarks5
- 6
- Compare with [[Odd function|odd function]].Revision 893
8/4/2026, 10:35:40 AM · Ancient Tree
Concept created
Recorded titleEven function
Recorded typeDefinition
A function $f:\R \rightarrow \R$ is even if, for all $x\in \R$, $f(-x)=f(x)$. ##### Examples and remarks - - Compare with [[Odd function|odd function]].