悠闲数学娱乐论坛(第2版)'s Archiver

青青子衿 发表于 2021-1-12 16:53

闭曲面积分符号

[i=s] 本帖最后由 青青子衿 于 2021-1-12 19:22 编辑 [/i]

当不使用\usepackage{esint}时

\begin{align*}

\subset\kern{-2.3pt}\supset\kern{-16.8pt}\iint\limits_{\,\large\Sigma}\\

{\large\subset}\kern{-2.1pt}{\large\supset}\kern{-17.4pt}\iint\limits_{\,\large\Sigma}\\

\bigcirc\kern{-13.5pt}\int\kern{-8.0pt}\int\limits_{\large\Sigma}\\

{\large{\bigcirc}}\kern{-15pt}\int\kern{-7pt}\int\limits_{\large\Sigma\,\,}

\end{align*}

kuing 发表于 2021-1-12 17:52

用 \subset `\subset` 和 \supset `\supset` 来组合 [img]https://qzonestyle.gtimg.cn/qzone/em/e400824.gif[/img] 真机智

试试如果是 KaTeX 渲染的话会咋样
\[\subset\kern{-2.3pt}\supset\kern{-16.8pt}\iint\limits_{\,\large\Sigma}\]\[{\large\subset}\kern{-2.1pt}{\large\supset}\kern{-17.4pt}\iint\limits_{\,\large\Sigma}\]\[\bigcirc\kern{-13.5pt}\int\kern{-8.0pt}\int\limits_{\large\Sigma}\]\[{\large{\bigcirc}}\kern{-15pt}\int\kern{-7pt}\int\limits_{\large\Sigma\,\,}\]

我也来试试:
\[
A\mathop{}\!\!\rlap{\mkern4mu\subset\mkern-4mu\supset}\iint_AA
\]\[A\mathop{}\!\!\rlap{$\mkern4mu\subset\mkern-4mu\supset$}\int\mkern-14mu\int_AA\]KaTeX 的 rlap 竟然会出问题(在真 LaTeX 中都 OK)……
\[A\mathop{}\!\!\mathrlap{\mkern4mu\subset\mkern-4mu\supset}\int\mkern-14mu\int_AA\]mathrlap 也一样……

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