# Changes

## Sinc function

, 12:46, 4 September 2011
Graph
| [[derivative]] || $\operatorname{sinc}'x = \left\lbrace \begin{array}{rl} 0, & x = 0 \\ \frac{x \cos x - \sin x}{x^2} \\\end{array}\right.$
|}
==Graph==

Below is a graph of the function for the domain restricted to $[-3\pi,3\pi]$:

[[File:Sincfunctionbasic.png|600px]]

The picture is a little unclear, so we consider an alternative depiction of the graph where the $x$-axis and $y$-axis are scaled differently to make it clearer:

[[File:Sincfunctionbasicnottoscale.png|800px]]

==Graph==
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