我使用以下设置,但缺少一些数学符号,例如 +、()、...
\usepackage{newtxtext} %different text font \usepackage{newtxmath} %different math font \let\openbox\undefined \let\Bbbk\relax \let\circledS\undefined \usepackage{eucal} \usepackage{amsmath} \usepackage{latexsym} \usepackage{amsthm} \usepackage{mathrsfs} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{mathtools} \usepackage{braket} \usepackage{feynmf} \usepackage[letterpaper]{geometry} \usepackage{secdot} \geometry{verbose,tmargin=3cm,bmargin=3cm,lmargin=3cm,rmargin=3cm} \usepackage{lmodern} \usepackage[english]{babel} \usepackage{graphicx} \usepackage{caption} \captionsetup{margin=20pt,font=small,labelfont=bf} \usepackage{epsfig,labelfig} \usepackage{tipa} \usepackage[hang,flushmargin]{footmisc} \usepackage{float} \usepackage{booktabs} \usepackage{microtype} \usepackage{overpic} \usepackage{sectsty} \usepackage[ pdftitle={PDF}, pdfauthor={Author}, ocgcolorlinks, linkcolor=linkred, citecolor=linkred, urlcolor=linkblue] {hyperref} \usepackage[ocgcolorlinks]{hyperref} \usepackage{hyperref} \hypersetup{ colorlinks=true, linkcolor=blue, urlcolor=red, linktoc=all, citecolor=orange } \usepackage{xcolor} \usepackage{cancel} \usepackage{slashed} %\usepackage[tiny]{titlesec} \usepackage[tiny]{titlesec} \titlespacing{\section}{0pt}{12pt}{0pt} \titlespacing{\subsection}{0pt}{6pt}{0pt}
我现在该怎么办?除此之外,我的代码中是否还有很多冗余的东西?非常感谢!