change table size latex
usepackage{graphics} % ... begin{table} centering resizebox{columnwidth}{!}{% begin{tabular}{r|lll} multicolumn{1}{r}{} & multicolumn{1}{l}{Heading 1} & multicolumn{1}{l}{Heading 2} & multicolumn{1}{l}{Heading 3} \ cline{2-4} Row 1 & Cell 1,1 & Cell 1,2 & Cell 1,3 \ Row 2 & Cell 2,1 & Cell 2,2 & Cell 2,3 end{tabular}% } end{table}