Latex tabularx 间距问题

Question

因此，我只是尝试编辑某人在 tabularx 中制作的表格，因为我喜欢这种风格，但我不知道我到底在做什么，因此我遇到了一个问题。在下面的代码中，条目“setup”后面有一个很大的空格，我希望一切都很好并且对称，但是这个空格使它非常不对称。有没有办法删除这个空格？

\documentclass{article}
\usepackage{array}
\usepackage{booktabs}
\usepackage{ragged2e}
\usepackage{tabularx}
\usepackage{amsmath}
\usepackage{amsfonts}
\usepackage{amssymb}
\newcolumntype{Y}{>{\RaggedRight\arraybackslash}X}


\begin{document}
    \noindent
    \edef\TabularRowHeight{\the\dimexpr-\arraystretch\baselineskip}

    \begin{tabularx}{\textwidth}{YY}
    \toprule
    Alice  &  Bob \\
    \midrule
    \emph{Setup}\\
    \cmidrule(lr){1-1}
    Alice \& Bob select a prime $p$ and a generator $g$ for the finite field $\mathbb{F}_p$
    &\\

    &\emph{Private Computation}\\
    \cmidrule(lr){2-2}
    &  Bob randomly selects $b \in \mathbb{F}_p$ and then computes the following:

     $B \equiv g^b \mod p$ once computed Bob sends Alice $B$

     \\[\TabularRowHeight] & \\

    & \emph{Key Computation}\\
    \cmidrule(lr){2-2}
    & Bob who now has $A$, calculates the following:$A^b \equiv (g^a)^b \equiv g^{ab} \mod p$

     \\


    \emph{Private Computation}\\ 
    \cmidrule(lr){1-1}
    Alice randomly selects $a \in \mathbb{F}_p$ and then computes the following:

    $A \equiv g^a \mod p$ once computed Alice sends Bob $A$ & \\ \pagebreak

    \emph{Key Computation}\\ 
    \cmidrule(lr){1-1}
    Alice who now has $B$, calculates the  following:$B^a \equiv (g^b)^a \equiv g^{ab} \mod p$ & \\


    \bottomrule


    \end{tabularx}
\end{document}

电流输出图片

我想要实现的输出

Answer 1

我认为从您展示的表格中删除交替布局没有什么意义，但可以尝试一下

\documentclass{article}
\usepackage{array}
\usepackage{booktabs}
\usepackage{ragged2e}
\usepackage{tabularx}
\usepackage{amsmath}
\usepackage{amsfonts}
\usepackage{amssymb}
\newcolumntype{Y}{>{\RaggedRight\arraybackslash}X}


\begin{document}
        \emph{Setup}: Alice \& Bob select a prime $p$ and a generator $g$ for the finite field $\mathbb{F}_p$
    \begin{tabularx}{\textwidth}{@{}YY@{}}
    \toprule
    Alice  &  Bob \\
    \midrule
    \addlinespace[1.2em]
    \emph{Private Computation}:&\\ \addlinespace
%    \cmidrule(r){1-1}\cmidrule(l){2-2}
    Alice randomly selects $a \in \mathbb{F}_p$ and then computes the following:

    $A \equiv g^a \mod p$ once computed Alice sends Bob $A$& Bob randomly selects $b \in \mathbb{F}_p$ and then computes the following:

     $B \equiv g^b \mod p$ once computed Bob sends Alice $B$\\\addlinespace[1.2em]

     \emph{Key Computation}: &\\ \addlinespace
%    \cmidrule(r){1-1}\cmidrule(l){2-2}
    Alice who now has $B$, calculates the  following:$B^a \equiv (g^b)^a \equiv g^{ab} \mod p$  & Bob who now has $A$, calculates the following:$A^b \equiv (g^a)^b \equiv g^{ab} \mod p$
     \\
    \bottomrule


    \end{tabularx}
\end{document}

相反，我更喜欢 3 列布局：

\documentclass{article}
\usepackage{array}
\usepackage{booktabs}
\usepackage{ragged2e}
\usepackage{tabularx}
\usepackage{amsmath}
\usepackage{amsfonts}
\usepackage{amssymb}
\newcolumntype{Y}{>{\RaggedRight\arraybackslash}X}


\begin{document}
        \emph{Setup}: Alice \& Bob select a prime $p$ and a generator $g$ for the finite field $\mathbb{F}_p$
    \begin{tabularx}{\textwidth}{@{}>{\RaggedRight\arraybackslash}p{2.2cm}YY@{}}
    \toprule
    & Alice  &  Bob \\
    \midrule
    \emph{Private \linebreak Computation} & %    
    Alice randomly selects $a \in \mathbb{F}_p$ and then computes the following:

    $A \equiv g^a \mod p$ once computed Alice sends Bob $A$& Bob randomly selects $b \in \mathbb{F}_p$ and then computes the following:

     $B \equiv g^b \mod p$ once computed Bob sends Alice $B$\\\addlinespace
     \emph{Key \linebreak Computation} & Alice who now has $B$, calculates the  following:$B^a \equiv (g^b)^a \equiv g^{ab} \mod p$  & Bob who now has $A$, calculates the following:$A^b \equiv (g^a)^b \equiv g^{ab} \mod p$
     \\
    \bottomrule


    \end{tabularx}
\end{document}