Difference between revisions of "Identity"
From specialfunctionswiki
| Line 7: | Line 7: | ||
</gallery> | </gallery> | ||
</div> | </div> | ||
| + | |||
| + | [[Category:SpecialFunction]] | ||
Revision as of 18:29, 24 May 2016
Let $X$ be any set. The function $\mathrm{id} \colon X \rightarrow X$ defined by $\mathrm{id}(x)=x$ is called the identity function on $X$.
Plot of $\mathrm{id}$ with $X=\mathbb{R}$.
Domain coloring of $\mathrm{id}$ with $X=\mathbb{C}$.
