diff options
author | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
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committer | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
commit | e0c6872cf40896c7be36b11dcc744620f10adf1d (patch) | |
tree | 60335e10d2f4354b0674ec22d7b53f0f8abee672 /macros/latex/contrib/jnuexam/jnuexam.cls |
Initial commit
Diffstat (limited to 'macros/latex/contrib/jnuexam/jnuexam.cls')
-rw-r--r-- | macros/latex/contrib/jnuexam/jnuexam.cls | 585 |
1 files changed, 585 insertions, 0 deletions
diff --git a/macros/latex/contrib/jnuexam/jnuexam.cls b/macros/latex/contrib/jnuexam/jnuexam.cls new file mode 100644 index 0000000000..e839799d0e --- /dev/null +++ b/macros/latex/contrib/jnuexam/jnuexam.cls @@ -0,0 +1,585 @@ +% -*- coding: utf-8 -*- +% ---------------------------------------------------------------------------- +% Author: Jianrui Lyu <tolvjr@163.com> +% Website: https://lvjr.bitbucket.io/jnuexam.html +% License: The LaTeX Project Public License 1.3 +% ---------------------------------------------------------------------------- + +\NeedsTeXFormat{LaTeX2e} +\ProvidesClass{jnuexam}[2018/11/21 v0.5 An exam class for Jinan University] + +\newif\ifsidebyside \sidebysidefalse % 是否 A3 纸张 +\newif\ifreverse \reversefalse % 是否逆序出题 +\newif\ifanswer \answertrue % 是否显示答案 +\newif\ifsourcehan \sourcehanfalse % 切换思源字体 +\newif\ifcollection \collectionfalse % 用于试卷题库 + +\DeclareOption{a3paper}{\sidebysidetrue} +\DeclareOption{reverse}{\reversetrue} +\DeclareOption{noanswer}{\answerfalse} +\DeclareOption{sourcehan}{\sourcehantrue} +\DeclareOption{collection}{\collectiontrue} + +\DeclareOption*{\PassOptionsToClass{\CurrentOption}{ctexart}} %其它选项 + +\ProcessOptions %不可省略 + +% 四号 小四号 五号 小五号 +% 14bp 12bp 10.5bp 9bp +\LoadClass[cs4size,UTF8,noindent]{ctexart} + +\ifsidebyside + \RequirePackage[a3paper,landscape,twocolumn,columnsep=40mm,left=50mm,right=30mm,top=25mm,bottom=25mm]{geometry} +\else + \RequirePackage[a4paper,left=30mm,right=30mm,top=25mm,bottom=25mm]{geometry} +\fi + +\RequirePackage{tabu} +\RequirePackage{amssymb} +\RequirePackage{lastpage} +\RequirePackage{fancyhdr} +\RequirePackage{xcolor} +\RequirePackage{comment} +\RequirePackage{environ} +\RequirePackage{etoolbox} +\RequirePackage{calc} + +\setlength{\parindent}{0em} +\setlength{\lineskiplimit}{3pt} +\setlength{\lineskip}{3pt} + +%% --------------------------------------------------------------------------- +%% 密封线命令 \mifengxian +%% 草稿纸命令 \caogaozhi +%% 这两个命令仅在 A3 纸张中用到,且需要编译两次才能得到正确结果 +%% --------------------------------------------------------------------------- + +\newcommand{\mifengxian}{% +\def\1{\\[50mm]}\def\2{\\[15mm]}% +\begin{tikzpicture}[remember picture,overlay,very thick,font=\large] + \path (current page.south west) +(2cm,1cm) coordinate (a1); + \path (current page.north west) +(2cm,-1cm) coordinate (a2); + \path (current page.south west) +(3cm,1cm) coordinate (b1); + \path (current page.north west) +(3cm,-1cm) coordinate (b2); + \draw[dashed] (a1) -- node[left=1mm,text width=1em]{装\1订\1线} + node[right=1mm,text width=1em]{学\2生\2答\2卷\2不\2要\2超\2过\2此\2线} (a2); + \draw (b1) -- (b2); +\end{tikzpicture}} + +\newcommand{\caogaozhi}{% +\begin{tikzpicture}[remember picture,overlay,font=\sffamily\fontsize{180pt}{180pt}\selectfont] + \node[text=lightgray!40] at (current page.center) {草\quad 稿\quad 纸}; +\end{tikzpicture}} + +\ifsidebyside + \RequirePackage{tikz} + \RequirePackage{everypage} + \AddEverypageHook{\mifengxian} + % 在 twocolumn 文档中,\newpage 可能是到下一栏,\clearpage 才能保证到下一页 + \preto{\@enddocumenthook}{\clearpage\pagestyle{empty}\caogaozhi\clearpage\caogaozhi\addtocounter{page}{-2}} + % 在旧版本 ctex 宏包中不能用 \AtEndDocument 添加含中文的内容,即不能用 \appto 而要用 \preto + %\AtEndDocument{\clearpage\pagestyle{empty}\caogaozhi\clearpage\caogaozhi\addtocounter{page}{-2}} + \RequirePackage{pdfpages} + % 新版本 pdfpages 将 \includepdf 放在文档开头时会有命令未定义的错误 + % 见 https://tex.stackexchange.com/questions/352007/ieeetran-and-pdfpages + % 另外从 LaTeX release 2018 开始 \@ifundefined 不再将未定义命令定义为 \relax + % 见 https://www.latex-project.org/news/latex2e-news/ltnews28.pdf + \@ifundefined{@setmarks}{\let\@setmarks\relax}{} +\fi + +%% --------------------------------------------------------------------------- +%% 试卷表头命令 \makehead +%% --------------------------------------------------------------------------- + +\newcommand{\niandu}{2016-2017} +\newcommand{\xueqi}{2} +\newcommand{\kecheng}{数学课程} +\newcommand{\zhuanye}{} % 专业学分 +\newcommand{\jiaoshi}{吕荐瑞} +\newcommand{\shijian}{} % 考试日期 +\newcommand{\bixiu}{1} % 1 为必修,0 为选修 +\newcommand{\bijuan}{1} % 1 为闭卷,0 为开卷 +\newcommand{\shijuan}{A} % A 或 B 或 C 卷 +\newcommand{\neizhao}{1} % 1 打勾,0 不勾 +\newcommand{\waizhao}{1} % 1 打勾,0 不勾 + +\newcommand{\underspace}[1]{\kern0pt\underline{\hspace{#1}}\kern0pt\relax} +\newcommand{\underbox}[2]{\kern0pt\underline{\makebox[#1]{#2}}\kern0pt\relax} +\newcommand{\underparbox}[2]{\kern0pt\underline{\parbox[b]{#1}{#2}}\kern0pt\relax} + +\newcommand{\ischeck}[1]{\ifnum#1>0\,$\checkmark$\,\else\quad\fi} +\newcommand{\isquad}[1]{\ifnum#1=0\,$\checkmark$\,\else\quad\fi} + +\newcommand\my@temp@a{A} +\newcommand\my@temp@c{C} +\newcommand\my@empty{} + +\newcommand{\head@table@a}{% + \begin{tabular}{l} + \underbox{11em}{\niandu}学年度第\underbox{5.5em}{\xueqi}学期 \\ + 课程名称:\underbox{17.5em}{\kecheng\ifx\zhuanye\my@empty\else\kern0pt(\zhuanye)\fi} \\ + 授课教师:\underparbox{17.5em}{\centering\rule{0pt}{3ex}\jiaoshi} \\ + 考试时间:\underbox{17.5em}{\shijian} \\ + \end{tabular} +} + +\newcommand{\head@table@b}{% + \renewcommand{\arraystretch}{1}% + \begin{tabular}{l} + \textbf{课程类别} \\ 必修~[\ischeck{\bixiu}]\quad 选修~[\isquad{\bixiu}] \\ + \hline + \textbf{考试方式} \\ 开卷~[\isquad{\bijuan}]\quad 闭卷~[\ischeck{\bijuan}] \\ + \hline + \textbf{试卷类别}~(\,A, B, C\,)\\\relax [\,\shijuan\,]\hfill 共~\pageref{LastPage}~页 + \end{tabular} +} + +\newcommand{\head@table@c}{% + \begin{tabular}{l} + \underspace{10em}学院\underspace{8em}专业\underspace{7.5em}班\kern0pt(\kern0pt{}级\kern0pt) \\[1em] + 姓名\underspace{8em}学号\underspace{10em}\hfill + \bfseries 内招~[\ischeck{\neizhao}] 外招~[\ischeck{\waizhao}] %\\[0.8em] + \end{tabular} +} + +\newcommand{\makehead}{ + \thispagestyle{plain} + \centerline{\LARGE\bfseries 暨\quad 南\quad 大\quad 学\quad 考\quad 试\quad 试\quad 卷} + \vspace{2em}% + \ifreverse + \ifx\shijuan\my@temp@a\renewcommand{\shijuan}{B}\fi + \ifx\shijuan\my@temp@c\renewcommand{\shijuan}{D}\fi + \fi + \noindent + \begin{tabu}{|@{}X@{}|} + \hline\renewcommand{\arraystretch}{1.5}% + \begin{tabu}{@{}>{\bfseries}l@{}|@{}X@{}|@{}l@{}} + \begin{tabular}{l}教\\ 师\\ 填\\ 写\end{tabular} & \head@table@a & \head@table@b + \end{tabu}\\ + \hline\renewcommand{\arraystretch}{0.9}% + \begin{tabu}{@{}>{\bfseries}l@{}|@{}X@{}} + \begin{tabular}{l}考\\ 生\\ 填\\ 写\end{tabular} & \head@table@c + \end{tabu}\\ + \hline + \end{tabu} + \vspace{1em} + \noindent\begin{tabu}{|*{8}{X[c]|}} + \hline + \bfseries{题 号} & 一 & 二 & 三 & 四 & 五 & 六 & 总 分\\ + \hline + \bfseries{得 分} & & & & & & & \\ + \hline + \end{tabu} +} + +%% --------------------------------------------------------------------------- +%% 页眉页脚设定 +%% --------------------------------------------------------------------------- + +\newcommand{\my@columnbox}[1]{\makebox[\columnwidth]{#1}} +\newcommand{\my@headleft}{暨南大学\kern-0.3em《\kecheng》\kern-0.3em 试卷\,\shijuan} +\newcommand{\my@headright}{姓名\hspace{6em}学号\hspace{6em}} +\newcommand{\my@headtext}{\my@headleft\hfill \my@headright} +\newcommand{\my@foottext}{第~\thepage~页\quad 共~\pageref{LastPage}~页} + +\fancypagestyle{plain}{ + \renewcommand{\headrulewidth}{0pt}% + \fancyhf{} + \ifsidebyside + \rhead{\small\underline{\my@columnbox{\my@headtext\strut}}} + \lfoot{\small\my@columnbox{\my@foottext}} + \rfoot{\small\my@columnbox{\stepcounter{page}\my@foottext}} + \else + \cfoot{\small\my@foottext} + \fi +} +\fancyhf{} +\pagestyle{fancy} +\ifsidebyside + \renewcommand{\headrulewidth}{0pt}% + \lhead{\small\underline{\my@columnbox{\my@headtext}\strut}} + \rhead{\small\underline{\my@columnbox{\my@headtext}\strut}} + \lfoot{\small\my@columnbox{\my@foottext}} + \rfoot{\small\my@columnbox{\stepcounter{page}\my@foottext}} +\else + \lhead{\small\my@headleft} + \rhead{\small\my@headright} + \cfoot{\small\my@foottext} +\fi + +%% --------------------------------------------------------------------------- +%% 题型命令 \makepart +%% 附录命令 \makedata +%% 题目环境 problem +%% 解答环境 solution +%% 逆序选项 reverse +%% --------------------------------------------------------------------------- + +\xdef\allproblems{} +\xdef\lastproblem{} +\newcounter{problem} +\newcounter{choice} % 后面选择题的 abcd 环境要用到 +\newcounter{step} % 后面解答题的 \step 命令要用到 + +\newcommand{\printproblems}{\ifreverse\lastproblem\allproblems\fi\xdef\allproblems{}\xdef\lastproblem{}} + +\newcommand{\makepart}[2]{% + \printproblems + \setcounter{problem}{0}% + \stepcounter{section}% + \vspace{1em}% + \noindent\begin{tabu}{|X[c]|X[c]|X[6]} + \cline{1-2} + 得分 & 评阅人 & \textbf{\Chinese{section}、#1}\\ + \cline{1-2} + & & (#2) \\ + \cline{1-2} + \end{tabu} + \vspace{1em} +} + +\newcommand{\makedata}[1]{% + \printproblems\my@stop@reverse + \centerline{\textbf{附录}\quad #1}\smallskip +} + +\preto{\@enddocumenthook}{\printproblems\my@stop@reverse} + +\newcommand\ignorepars{\@ifnextchar\par{\expandafter\ignorepars\@gobble}{}} + +\newenvironment{problemreal}{% + \stepcounter{problem}\setcounter{choice}{0}\setcounter{step}{0}% + \textsf{\color{blue}\arabic{problem}}.\;\,\ignorespaces +}{\par} +\newenvironment{solutionreal}{% + \setcounter{step}{0}% + \textsf{\color{blue}解答}\quad\ignorepars +}{\par} + +\let \oldnewpage = \newpage +\let \oldvfill = \vfill +\let \oldsmallskip = \smallskip +\let \oldmedskip = \medskip +\let \oldbigskip = \bigskip + +\ifreverse + \NewEnviron{problem}{% + \xdef\allproblems{% + \unexpanded\expandafter{\lastproblem}% + \unexpanded\expandafter{\allproblems}% + }% + \xdef\lastproblem{% + \unexpanded{\begin{problemreal}}% + \unexpanded\expandafter{\BODY}% + \unexpanded{\end{problemreal}}% + }% + } + \NewEnviron{solution}{% + \xdef\lastproblem{% + \unexpanded\expandafter{\lastproblem}% + \unexpanded{\begin{solutionreal}}% + \unexpanded\expandafter{\BODY}% + \unexpanded{\end{solutionreal}}% + }% + } + \renewcommand{\newpage}{\xdef\lastproblem{\noexpand\oldnewpage\unexpanded\expandafter{\lastproblem}}} + \renewcommand{\vfill}{\xdef\lastproblem{\unexpanded\expandafter{\lastproblem\oldvfill}}} + \renewcommand{\smallskip}{\xdef\lastproblem{\unexpanded\expandafter{\lastproblem\oldsmallskip}}} + \renewcommand{\medskip}{\xdef\lastproblem{\unexpanded\expandafter{\lastproblem\oldmedskip}}} + \renewcommand{\bigskip}{\xdef\lastproblem{\unexpanded\expandafter{\lastproblem\oldbigskip}}} + \let \newpagea = \relax + \let \newpageb = \newpage +\else + \newenvironment{problem}{\problemreal}{\endproblemreal} + \newenvironment{solution}{\solutionreal}{\endsolutionreal} + \let \newpagea = \newpage + \let \newpageb = \relax +\fi + +\newcommand{\my@stop@reverse}{% + \ifreverse + \renewenvironment{problem}{\problemreal}{\endproblemreal}% + \renewenvironment{solution}{\solutionreal}{\endsolutionreal}% + \let \newpage = \oldnewpage + \let \vfill = \oldvfill + \let \smallskip = \oldsmallskip + \let \medskip = \oldmedskip + \let \bigskip = \oldbigskip + \fi +} + +\def\CommentCutFile{\jobname.cut} + +\AtBeginDocument{% + \ifanswer\else + \excludecomment{solution} + \fi +} + +%% --------------------------------------------------------------------------- +%% 答题栏命令 \answertable +%% --------------------------------------------------------------------------- + +\gdef\answer@lines@temp{}% +\newcommand{\answer@lines@add}[1]{% + \xdef\answer@lines@temp{\answer@lines@temp#1}% +} + +\newrobustcmd{\answer@number@hided}[1]{小题} % 在 PDFLaTeX 中需要保护中文 +\newrobustcmd{\answer@cell@strut}[1]{\parbox[c][#1][c]{2em}{\hbox{答案}}} + +\newcounter{answer@col} +\newcounter{answer@row} +\newcounter{answer@total} + +\newcommand{\answer@lines}[3]{% + % #1 答题栏各栏指定高度 + % #2 答题栏总共答案个数 + % #3 答题栏每行答案个数 + \setcounter{answer@row}{(#2-1)/#3+1}% 除法向下取整,改为向上取整 + \begingroup + \let\hline=\relax \let\\=\relax % 禁止展开 + \gdef\answer@lines@temp{}% + \setcounter{answer@total}{1}% + \whileboolexpr{ + test{\ifnumgreater{\value{answer@row}}{0}} + }{% + \addtocounter{answer@row}{-1}% + \answer@lines@add{\answer@number@hided}% + \setcounter{answer@col}{1}% + \unlessboolexpr{% + test{\ifnumgreater{\value{answer@col}}{#3}}% + }{% + \answer@lines@add{&}% + \ifnumgreater{\value{answer@total}}{#2}{}{% + \answer@lines@add{\arabic{answer@total}}% + }% + \stepcounter{answer@col}% + \stepcounter{answer@total}% + }% + \answer@lines@add{\\ \hline \answer@cell@strut{#1}}% + \setcounter{answer@col}{1}% + \unlessboolexpr{ + test{\ifnumgreater{\value{answer@col}}{#3}} + }{% + \answer@lines@add{&}% + \stepcounter{answer@col}% + }% + \answer@lines@add{\\ \hline}% + }% + \endgroup + \answer@lines@temp +} + +\newcommand{\answertable}[3][1em]{% + 答题须知:本题答案必须写在如下表格中,否则不给分.\par + \begin{tabu}{|c|*{#3}{X[c]|}} + \hline + \answer@lines{#1}{#2}{#3} + \end{tabu}% + \par\vspace{0.8em}% +} + +%% --------------------------------------------------------------------------- +%% 答案切换命令 \answer +%% 填空命令 \fillin 和 \fillout +%% 选择命令 \pickin 和 \pickout +%% 四个选项排版环境 abcd,根据四个选项的长度自动排成一行、两行或四行 +%% --------------------------------------------------------------------------- + +\newcommand{\answer}[1]{\ifanswer#1\else\phantom{#1}\fi} + +\newcommand{\ulinefill}[1]{\xleaders\hbox{\underline{\vphantom{#1}\kern1pt}}\hfill\kern0pt} +\newcommand{\fillout}[1]{\allowbreak\hbox{}\nobreak\ulinefill{#1}\underline{\color{blue}\answer{#1}}\ulinefill{#1}} +\newcommand{\fillin}[1]{\underline{\hspace{1em}\color{blue}\answer{#1}\hspace{1em}}} + +\newcommand{\cdotfill}{\leavevmode\xleaders\hbox to 0.5em{\hss$\cdot$\hss}\hfill\kern0pt\relax} +\newcommand{\pickout}[1]{\unskip\nobreak\cdotfill(\makebox[1.5em]{\color{blue}\answer{#1}})} +\newcommand{\pickin}[1]{\unskip\nobreak\hspace{0.3em}(\makebox[1.5em]{\color{blue}\answer{#1}})\hspace{0.3em}\ignorespaces} + +\newlength{\my@item@len} +\newcommand\my@item@temp{% + \unskip\cr\stepcounter{choice}(\Alph{choice})\ % +} +\newcommand\my@item@box{% + \hfill\egroup\hfill\hbox to \my@item@len\bgroup + \stepcounter{choice}(\Alph{choice})\ \ignorespaces +} +\newcommand\my@item@par{% + \par\stepcounter{choice}(\Alph{choice})\ \ignorespaces +} +\NewEnviron{abcd}{ + \unskip + \setlength{\parindent}{0pt}% + \setlength{\parskip}{0pt}% + \setcounter{choice}{0}% + \let\item=\my@item@temp + \settowidth{\my@item@len}{\vbox{\halign{##\hfil\cr\BODY\crcr}}}% + \setcounter{choice}{0}% + \ifdim\my@item@len>0.486\linewidth + \setlength{\my@item@len}{\linewidth}% + \let\item=\my@item@par + \BODY\par + \else + \ifdim\my@item@len>.243\linewidth + \setlength{\my@item@len}{0.5\linewidth}% + \else + \setlength{\my@item@len}{0.25\linewidth}% + \fi + \let\item=\my@item@box + \par\bgroup\BODY\hfill\egroup\par + \fi +} + +%\newcommand{\my@item}{\ifnum\value{choice}=0\par\fi\stepcounter{choice}} +%\newcommand{\fullitem}[1]{\my@item\parbox{\linewidth}{(\Alph{choice})\ #1\rule[-0.5em]{0pt}{0.5em}}\hfill\ignorespaces} +%\newcommand{\halfitem}[2][0.5]{\my@item\makebox[#1\linewidth][l]{(\Alph{choice})\ #2}\hfill\ignorespaces} +%\newcommand{\quaritem}[2][0.25]{\my@item\makebox[#1\linewidth][l]{(\Alph{choice})\ #2}\hfill\ignorespaces} + +%% --------------------------------------------------------------------------- +%% 解答题步骤命令 \step +%% --------------------------------------------------------------------------- + +\newcommand{\step}{% + \stepcounter{step}% + \makebox[2em][l]{\ttfamily(\arabic{step})}% +} + +%% --------------------------------------------------------------------------- +%% 评分命令 \score +%% --------------------------------------------------------------------------- + +\PassOptionsToPackage{tbtags}{amsmath} +\RequirePackage{amsmath} + +\newcommand{\myscore}[1]{\textcolor{blue}{#1\kern0.2em 分}} + +\newcommand{\scoretext}[1]{\cdotfill\myscore{#1}\par\noindent\ignorespaces} +\newcommand{\scoreeqno}[1]{\eqno{\cdots\cdots\text{\myscore{#1}}}} +\newcommand{\scoretag}[1]{\tag*{$\cdots\cdots$\myscore{#1}}} + +\newrobustcmd{\score}[1]{% + \ifbool{mmode}{% + \ifdefstrequal{\tag}{\dft@tag}{\scoreeqno{#1}}{\scoretag{#1}}% + }{% + \scoretext{#1}% + }% +} + +%% --------------------------------------------------------------------------- +%% 载入个人定制文件 jnuexam.cfg +%% 中文字体切换选项 sourcehan +%% --------------------------------------------------------------------------- + +\InputIfFileExists{jnuexam.cfg}{}{} + +\newcommand{\my@set@sourcehan}{ + \setCJKmainfont[BoldFont=Source Han Sans SC]{Source Han Serif SC} + \setCJKsansfont{Source Han Sans SC} + % 用中文字体名时 LuaTeX 找不到该字体,XeTeX 正常 + %\setCJKmainfont[BoldFont=思源黑体]{思源宋体} + %\setCJKsansfont{思源黑体} +} + +\ifbool{sourcehan}{ + \RequirePackage{iftex} + % https://sourceforge.net/p/xetex/code/ci/master/tree/source/texk/web2c/xetexdir/NEWS + \ifbool{XeTeX}{ % TeXLive 2015 + \ifdimless{\the\XeTeXversion\XeTeXrevision pt}{0.99992pt}{}{\my@set@sourcehan} + }{} + \ifbool{LuaTeX}{\my@set@sourcehan}{} +}{} + +%% --------------------------------------------------------------------------- +%% 试卷题库选项 collection +%% --------------------------------------------------------------------------- + +\ifcollection + \RequirePackage{hyperref} + \hypersetup{ + pdfstartview={FitH}, + bookmarksnumbered=true, + unicode=true, + hidelinks=true + %colorlinks=true, + %linkcolor=black + } + \appto{\endproblem}{\medskip} + \appto{\endsolution}{\medskip} + \preto{\problem}{\ifnum\value{problem}=9 \setcounter{problem}{-1}\fi} + \pagestyle{plain} +\fi + +%% --------------------------------------------------------------------------- +%% 载入常用宏包,定义常用命令 +%% --------------------------------------------------------------------------- + +\AtBeginDocument{ + \setlength{\abovedisplayskip}{4pt minus 2pt} + \setlength{\belowdisplayskip}{4pt minus 2pt} + \setlength{\abovedisplayshortskip}{2pt} + \setlength{\belowdisplayshortskip}{2pt} +} + +\setlength\arraycolsep{4pt} + +\RequirePackage{CJKfntef} +\RequirePackage{multirow} +\RequirePackage{diagbox} + +\RequirePackage{relsize} +\newcommand{\Int}{\mathop{\mathlarger{\int}}} + +\newcommand{\e}{\mathrm{e}} +\newcommand{\limit}{\lim\limits} +\newcommand{\R}{\mathbb{R}} + +\DeclareMathOperator{\Corr}{\rho} +\DeclareMathOperator{\Cov}{Cov} +\DeclareMathOperator{\grad}{grad} +\DeclareMathOperator{\Prj}{Prj} +\DeclareMathOperator{\Var}{Var} + +\newcommand{\diff}{\mathop{}\!\mathrm{d}} +\newcommand{\dx}{\diff x} +\newcommand{\dy}{\diff y} +\def\dz{\diff z} % 不确定命令是否已经定义 +\newcommand{\du}{\diff u} +\newcommand{\dv}{\diff v} +\newcommand{\dr}{\diff r} +\newcommand{\ds}{\diff s} +\newcommand{\dt}{\diff t} +\newcommand{\dS}{\diff S} +% 有些宏包比如 hyperref 会修改 \d 的定义,所以放在 document 开始处 +% 利用 etoolbox 将 \d 定义为健壮命令,以避免在 align 等环境中错误地展开 +\AtBeginDocument{% + \let\oldd=\d + \renewrobustcmd{\d}{\ifbool{mmode}{\diff}{\oldd}}% +} + +\newcommand{\va}{\vec{a\vphantom{b}}} +\newcommand{\vb}{\vec{b}} +\newcommand{\vc}{\vec{c\vphantom{b}}} +\newcommand{\vd}{\vec{d}} +\newcommand{\ve}{\vec{e}} +\newcommand{\vi}{\vec{i}} +\newcommand{\vj}{\vec{j}} +\newcommand{\vk}{\vec{k}} +\newcommand{\vn}{\vec{n}} +\newcommand{\vs}{\vec{s}} +\newcommand{\vv}{\vec{v}} + +\let\ov=\overrightarrow + +\let\le=\leqslant +\let\ge=\geqslant + +\let\lb=\{ +\let\rb=\} + +\def\T{\mathrm{T}\kern-.5pt} + +\newrobustcmd{\wfrac}[3][2pt]{% + {\begingroup\hspace{#1}#2\hspace{#1}\endgroup\over\hspace{#1}#3\hspace{#1}}% +} + |