deletions | additions       diff --git a/res_fitting.md b/res_fitting.md  index 8b27ca0..3d6c8c8 100644  --- a/res_fitting.md  +++ b/res_fitting.md 
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\mathbf{p}^s_{i,k}&\mathbf{p}^p_{i,k}  \end{array}  \right)  =\left(E_i^s, E_i^p\right) =  \left(  \begin{array}{l l}  E_i^s & E_i^p  \end{array}  \right)  \]  The event matrix for the entire image is obtained by stacking all pixel event matrices:  \[