deletions | additions       diff --git a/As_a_brief_introduction_the__.tex b/As_a_brief_introduction_the__.tex  index 75ad302..613db3b 100644  --- a/As_a_brief_introduction_the__.tex  +++ b/As_a_brief_introduction_the__.tex 
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For a slightly less ugly description, the Structure Function is as follows:\\  \begin{flushleft}  \begin{align*}  S_2 &= \left< \left[ I(r,v) - I(r_2,v_2) I(r+\delta r,v_2)  \right]^2 \right>\\ &= S_2  \end{align*}  \end{flushleft}