deletions | additions       diff --git a/usepackage_amsmath_usepackage_makeroom_cancel__.tex b/usepackage_amsmath_usepackage_makeroom_cancel__.tex  index d081ae9..4bcc084 100644  --- a/usepackage_amsmath_usepackage_makeroom_cancel__.tex  +++ b/usepackage_amsmath_usepackage_makeroom_cancel__.tex 
...
\begin{align*}  S_2 &= \left< \left[ I(\vec{r},v) - I(\vec{r}+\delta \vec{r},v+\delta v) \right]^2 \right>\\  &= \left< \left [ I - I'\right]^2 \right>\\  &= \textbf{egg}  &= \left<\left[ (I_{signal}+I_{noise}) - (I'_{signal}+I'_{noise}) \right]^2 \right>\\  &= \left< I_{signal}^2 + 2I_{signal}I_{noise} - 2I_{signal}I'_{signal} - 2I_{signal}I'_{noise} + I_{noise}^2 - 2I_{noise}I'_{signal} - 2I_{noise}I'_{noise} + (I')_{signal}^2+2I'_{signal}I'_{noise} + (I')_{noise}^2 \right>\\