I have the code below for my table. Everything is okay, but I can not see the horizontal line between the 2nd and 6th columns below the text "Runtime (seconds)", and "Objective Function Value". See the desire table in attachment. Please, help me. Thank you.
Code: Select all
Code, edit and compile here:
\documentclass[journal]{IEEEtran}%\documentclass[12pt]{exam}%\documentclass[twoside, 11pt]{article}\RequirePackage{amssymb, amsfonts, amsmath, latexsym, verbatim, xspace, setspace}\usepackage{booktabs}\usepackage{blkarray}%matrizes com rótulos em linhas e colunas%\RequirePackage{tikz, pgflibraryplotmarks}\usepackage[margin=0.7in]{geometry}\usepackage[english]{babel}%\usepackage[DM,final,newLogo]{uaThesis}%\usepackage{fancyhdr}%\usepackage[table]{xcolor}%\usepackage{algorithmic}\usepackage{algorithm}\usepackage{algpseudocode}%\usepackage{algcompatible}\usepackage{colortbl}\usepackage[long]{optidef}%Problemas de optimização\usepackage{color}\usepackage[latin1]{inputenc}\usepackage{enumerate}\usepackage{mdframed}%para fazer molduras\usepackage{lipsum}\usepackage{array}\usepackage{multirow}%\usepackage[table,xcdraw]{xcolor}\usepackage{xcolor}\usepackage{enumitem}%melhora o begin description, enumerate e itemize%\usepackage{bigints}\usepackage[]{graphicx}%gerir imagens%\usepackage[export]{adjustbox}\graphicspath{ {./images/} }%Permite procura as images em pastas de imagens na pasta de trabalho\usepackage{multicol}%para texto em colunas\usepackage{lmodern}\usepackage{float} %gestaoo de posicaoo de figuras%\floatstyle{boxed} %coloca uma borda fina nas figura%\restylefloat{figure}%parte da instrução para colocação de borda nas figuras\usepackage{float} %gestaoo de posicaoo de figuras%\usepackage{caption}%legenda de figura\usepackage[justification=justified]{caption}\usepackage{subcaption}%legendas de subfiguras