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Sinc function

161 bytes added, 18:49, 19 December 2011
Higher derivative at zero
This gives an explicit expression for the even order derivatives. The odd order derivatives (first derivative, third derivative, etc.) are zero because the function is an even function.
The first few derivatives derivative values at zero (starting from the zeroth) are:
{| class="sortable" border="1"! <math>n</math> !! 0 !! 1 !! 2 !! 3 !! 4 !! 5 !! 6 !! 7 !! 8 !! 9|-| <math>\operatorname{sinc}^{(n)}(0)</math> || 1, || 0, || -1/3, || 0, || 1/5, || 0, || -1/7, || 0, || 1/9, \dots</math>|}
==Integration==
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