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在 IEEEtran 中写出方程（数学）变量的详细信息

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在 IEEEtran 中写出方程（数学）变量的详细信息

我认为这是一个非常基本的问题，但我找不到任何答案。我在乳胶中写下了以下等式：

\begin{equation}
U= \frac{\bar{X}_1 -\bar{X}_2}{\sqrt{\frac{S^2_1}{n_1}+\frac{S^2_1}{n_1}}}
\end{equation}

我也想写变量名，例如

Where,

\bar{X}_1 = mean of first dataset等等。

问题：

我尝试过建议这里但随后我又遇到了另一个问题。我的变量的详细信息有点孤单，因此文本触及了边缘，如下图所示：

图像

附言：我正在写IEEEtran

我的整个方程的代码：

\begin{align*}  
    U &= \frac{\bar{X}_1 -\bar{X}_2}{\sqrt{\frac{S^2_1}{n_1}+\frac{S^2_1}
{n_1}}}
\intertext{where}
    \bar{X}_1 &= \text{mean of correctly recognized In-direction distractors}; \\
    \bar{X}_2 &= \text{mean of correctly recognized Out-direction distractors}; \\
    S_1 &= \text{variance of correctly recognized In-direction distractors}; \\
    S_2 &= \text{variance of correctly recognized Out-direction distractors}.
\end{align*}

答案1

您可以使用tabularx代替align：

\documentclass{IEEEtran}
\usepackage{amsmath}
\usepackage{array,tabularx}
\begin{document}
\begin{equation}
U= \frac{\bar{X}_1 -\bar{X}_2}{\sqrt{\frac{S^2_1}{n_1}+\frac{S^2_1}{n_1}}}
\end{equation}
\begin{tabularx}{\linewidth}{>{$}r<{$} @{${}={}$} X}
\bar{X}_1 & mean of correctly recognized In-direction distractors; \\
\bar{X}_2 & mean of correctly recognized Out-direction distractors; \\
S_1 & variance of correctly recognized In-direction distractors; \\
S_2 & variance of correctly recognized Out-direction distractors.
\end{tabularx}
\end{document}

在此处输入图片描述

答案2

问题我在上面的评论中链接了它在这里也可以正常工作。

\documentclass{article}

\usepackage{amsmath}
\usepackage{amssymb}

\usepackage{enumitem}
\SetLabelAlign{myright}{\hss\llap{$#1$}}
\newlist{where}{description}{1}
\setlist[where]{labelwidth=2cm,labelsep=0.5em,itemsep=0pt,
                        leftmargin=!,align=myright,font=\normalfont}

\begin{document}
\begin{equation}
U= \frac{\bar{X}_1 -\bar{X}_2}{\sqrt{\frac{S^2_1}{n_1}+\frac{S^2_1}{n_1}}}
\end{equation}
Where:
\begin{where}
\item[\bar{X}_1 =] mean of correctly recognized In-direction distractors some text filled for this line and in to the next line; 
\item[\bar{X}_2 =] mean of correctly recognized Out-direction distractors; 
\item[S_1 =] variance of correctly recognized In-direction distractors; 
\item[S_2 =] variance of correctly recognized Out-direction distractors.
\end{where}

\end{document}

在此处输入图片描述

如果你不想输入=每个项目，请替换\SetLabelAlign{myright}为：

\SetLabelAlign{myright}{\hss\llap{$#1 =$}}

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