Talk:Even and odd functions: Difference between revisions

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<br>Similarily ƒ is odd if and only if <math>f(x)=-f(-x)</math> for all <math>x\in A</math>
<br>[[User:DanielEriksson87|DanielEriksson87]] 15:06, 11 September 2007 (UTC)
 
== real-valued ==
 
The definition in the article restricts f to be real valued. There is no need for this restriction. Actually it is often usefull to also consider complex valued even or odd functions. --[[Special:Contributions/131.188.56.77|131.188.56.77]] ([[User talk:131.188.56.77|talk]]) 09:16, 16 June 2009 (UTC)