deletions | additions       diff --git a/layout.md b/layout.md  index 271eccf..776824f 100644  --- a/layout.md  +++ b/layout.md 
...
section_Equations_E_x_frac__.tex  section_Analytical_solution_When_e_1__.tex  section_Numerical_algorithm_begin_enumerate__.tex  section_Code_begin_Language_C__.tex section_Code_begin_lstlisting_language__.tex