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Sinc function

371 bytes removed, 12:46, 4 September 2011
Graph
| [[derivative]] || <math>\operatorname{sinc}'x = \left\lbrace \begin{array}{rl} 0, & x = 0 \\ \frac{x \cos x - \sin x}{x^2} \\\end{array}\right.</math>
|}
==Graph==
 
Below is a graph of the function for the domain restricted to <math>[-3\pi,3\pi]</math>:
 
[[File:Sincfunctionbasic.png|600px]]
 
The picture is a little unclear, so we consider an alternative depiction of the graph where the <math>x</math>-axis and <math>y</math>-axis are scaled differently to make it clearer:
 
[[File:Sincfunctionbasicnottoscale.png|800px]]
 
==Graph==
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