deletions | additions       diff --git a/layout.md b/layout.md  index 55170f7..6289c15 100644  --- a/layout.md  +++ b/layout.md 
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text_xi__k_begin_equation__.tex  begin_equation_begin_cases_x___.tex  text_xi__k_eta__k__.tex  section_MATLAB_ref_pic1__.tex section_MATLAB_ref_fig2__.tex