deletions | additions       diff --git a/As_a_brief_introduction_the__.tex b/As_a_brief_introduction_the__.tex  index acee672..84da686 100644  --- a/As_a_brief_introduction_the__.tex  +++ b/As_a_brief_introduction_the__.tex 
...
As a brief introduction, the Structure Function describes the average of the square of the difference in intensity between the light received from one position (from a source moving at a certain speed toward / or  away from the observer) and light received from another position (from a source that may be moving at a different speed).\\ For a slightly less ugly description, the Structure Function is as follows:\\  \begin{flushleft}  \begin{align*}