root.svg
Creator: ROOT Version 5.30/01
CreationDate: Thu Sep 6 11:25:25 2012
\larger[2]$x$
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\larger[2]$y$
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\larger[2]$z(x,y) = \frac{1}{\sigma_x\sigma_y\sqrt{4\pi^2}}\exp\left(- \left(\frac{(x-\mu_x)^2}{2\sigma_x^2} + \frac{(y-\mu_y)^2}{2\sigma_y^2} \right)\right)$