Difference between revisions of "Sandbox"

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<math>PDF=\frac{1}{2 \pi \sigma^2}e^{\frac{r^2}{2*\sigma^2}}</math>
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<math>PDF=\frac{e^{\frac{r^2}{2*\sigma^2}}}{2 \pi \sigma^2}</math>

Revision as of 18:20, 8 July 2008