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多列表格中出现“额外的对齐制表符已更改为 \cr”错误

tag-icon • tag-icon tables multicolumn
多列表格中出现“额外的对齐制表符已更改为 \cr”错误

我收到此错误：

! Extra alignment tab has been changed to \cr.
<template> \endtemplate 

l.41 &
      \multicolumn{3}{l}{\bf Head of Department }   \\

当我尝试编译我的代码时。代码片段如下：

\begin{center}
\begin{tabular}{llll}
%
\multicolumn{3}{l}{\bf Seminar Guide/Supervisor}
&\multicolumn{3}{l}{\bf Seminar Coordinator}      
&\multicolumn{3}{l}{\bf Head of Department }   \\
%
     &     &      &    \\
%
Name: &     & Name: &  \\
\multicolumn{3}{l}{Mr. Aadars M S}%    
&\multicolumn{3}{l}{Mis. Anjaly S Kumar}%   
&\multicolumn{3}{l}{Prof. Rajendran T.K }   \\ %
 \multicolumn{3}{l}{M.Tech, MISTE } %
 \multicolumn{3}{l}{M.Tech, MISTE } %
&\multicolumn{3}{l}{ME, FITE} \\%
%
    &    &    &    \\
%
Signature&: .............................
\qquad\quad   & 
Signature&: .............................
\qquad\quad   & 
Signature&: .............................\\
%
    &    &    &    \\
%
%
\end{tabular}

答案1

如果我理解你的排版目标正确的话，你不需要任何的\multicolumn说明。相反，类似下面的内容应该就可以了：

...
\begin{tabular}{lll}
  \bfseries Seminar Guide/Supervisor
& \bfseries Seminar Coordinator
& \bfseries Head of Department \\[1ex]
  Mr.\ Aadars M S   
& Mis.\ Anjaly S Kumar 
& Prof.\ Rajendran T.K.   \\
  M.Tech, MISTE 
& M.Tech, MISTE
& ME, FITE \\[1ex]
Signature: ............................... &
Signature: .................... &
Signature: ....................\\
\end{tabular}
...

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