deletions | additions       diff --git a/res_fitting.md b/res_fitting.md  index c53d91a..74cabbd 100644  --- a/res_fitting.md  +++ b/res_fitting.md 
...
E_i  \end{array}  \right)  =\left(  \begin{array}{l l}  E^s & E^p  \end{array}  \right)  \]