[Tex/LaTex] Multirow in multirow

multirowtables

I am trying to get this to work. It is supposed to have a cell (that was already created with multirow) with three rows but I do not know how to get it to work.

I am using shortstack to get it, but it is not optimal. In particular, W2=3 should be aligned with the first set of three values in the snippet below.

My guess is that I have to use multirow within multirow, but I am lost.

\begin{figure*}
  \centering
  \begin{tabular}{|c|c|c c c c|c|}
\hline
\multicolumn{2}{|c|}{\multirow{2}{*}{$V_{\rm rot}/{\sigma}$}}&\multicolumn{4}{c|}{W1}\\
\cline{3-6}
\multicolumn{2}{|c|}{}&3&6&9&12\\
\hline
\multirow{4}{*}{W2}& 3   & \shortstack{0.090475$\pm$ 0.011115\\0.14861$\pm$ 0.03562\\0.1861 $\pm$ 0.01728} & 21&6&3\\
                   & 6   &8&14&5&2\\
                   & 9   &8&14&5&2\\
                   &12   &8&14&5&2\\
\hline
\end{tabular}
\caption{Multirow in multirow}   
\label{ta.Multirow}                             
\end{figure*}

Best Answer

I can't be sure, but is this close to what you want?

screenshot

% arara: pdflatex
% !arara: indent: {overwrite: yes, trace: on}
\documentclass{article}
\usepackage{multirow}

\begin{document}
\begin{figure*}
    \centering
    \begin{tabular}{|c|c|c c c c|}
        \hline
        \multicolumn{2}{|c|}{\multirow{2}{*}{$V_{\rm rot}/{\sigma}$}}&\multicolumn{4}{c|}{W1}\\
        \cline{3-6}
        \multicolumn{2}{|c|}{}&3&6&9&12\\
        \hline
        \multirow{6}{*}{W2} & \multirow{3}{*}{3} & $0.090475\pm 0.011115$ & \multirow{3}{*}{21} & \multirow{3}{*}{6} & \multirow{3}{*}{3} \\
                            &                    & $0.14861\pm 0.03562$   &                     &                    &                    \\
                            &                    & $0.1861 \pm 0.01728$   &                     &                    &                    \\
                            & 6                  & 8                      & 14                  & 5                  & 2                  \\
                            & 9                  & 8                      & 14                  & 5                  & 2                  \\
                            & 12                 & 8                      & 14                  & 5                  & 2                  \\
        \hline
    \end{tabular}
    \caption{Multirow in multirow}   
    \label{ta.Multirow}                             
\end{figure*}
\end{document}
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