I have this diagram:
\begin{equation*}
\begin{tikzpicture}
\matrix (m) [matrix of math nodes, row sep=2.5em,
column sep=3em, text height=0.75ex, text depth=0.5ex] {
0& A& B& C&0 \\
0&\textstyle\sum^{-i-1}M_{-i-1}& N &\textstyle\sum^{-i}M_{-i}& 0\\ };
\path[->] (m-1-2) edge node[above] {} (m-2-2);
\path[->] (m-1-3) edge node[above] {} (m-2-3);
\path[->] (m-1-4) edge node[above] {} (m-2-4);
\path[->] (m-1-1) edge node[above] {} (m-1-2);
\path[->] (m-1-2) edge node[above] {} (m-1-3);
\path[->] (m-1-3) edge node[above] {} (m-1-4);
\path[->] (m-1-4) edge node[above] {} (m-1-5);
\path[->] (m-2-1) edge node[above] {} (m-2-2);
\path[->] (m-2-2) edge node[above] {} (m-2-3);
\path[->] (m-2-3) edge node[above] {} (m-2-4);
\path[->] (m-2-4) edge node[above] {} (m-2-5);
\end{tikzpicture}
\end{equation*}
What should I do that the vertical arrows do not touch what are on the bottom line (\textstyle\sum^{-i-1}M_{-i-1}
, N
and \textstyle\sum^{-i}M_{-i}
)?
text height
is too small, try e.g.text height=2ex
.