deletions | additions       diff --git a/untitled.tex b/untitled.tex  index 6e35422..00b03f5 100644  --- a/untitled.tex  +++ b/untitled.tex 
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F' = I(\mu, \sigma) + I(-\mu, \sigma)  \end{equation}  \begin{equation}  F' = \sqrt{\frac{2}{\pi}}\sigma + \frac{\sigma}{\sqrt{2\pi}}\left[ \sqrt{\frac{2}{\pi}}\sigma\left[  \exp\left(-\frac{\mu^2}{2\sigma^2}\right) -1\right] + \frac{\mu}{2} \,\,{\rm erf} \left( \frac{\mu}{\sqrt{2}\sigma} \right) \end{equation}