deletions | additions       diff --git a/section_Reflection_Coefficients_The_reflection__.tex b/section_Reflection_Coefficients_The_reflection__.tex  index 135b085..25c0097 100644  --- a/section_Reflection_Coefficients_The_reflection__.tex  +++ b/section_Reflection_Coefficients_The_reflection__.tex 
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%  \begin{equation}  r_{\perp} = \dfrac{E_{\mathrm{r}\perp}}{E_{\mathrm{i}\perp}}  \end{equation} %  The portions of the electric field can be found from the boundary condition to Maxwell's equations