[Tex/LaTex] Fixing overfull `\vbox`

warnings

With the code:

$$A=\msq{\mat{ccccc}
2 & -1 & & \multi[2][2]{\Huge{$0$}} \\
-1& 2 & -1 \\
& \ddots & \ddots & \ddots \\
\multi[2][2]{\Huge{$0$}} & \ddots & \ddots & \ddots \\
& & & -1 & 2
\emat}.$$

I get:

Overfull \vbox (6.0pt too high) detected at line 45

Overfull \vbox (6.0pt too high) detected at line 45

where the code ends at line 45. How can I fix that?

NB \multi is as in Problem with abbreviation of `\multirow` and `\multicolumn` (LaTeX), \msq is \msq{#1}=\left[\!\!\!\!#1\!\!\!\!\right] and \mat=\begin{array}, \emat=end{array}.

Best Answer

try \smash{\Huge $0$} to make the "apparent" height and depth zero.

you might have to fiddle with the vertical position.

sorry i can't show output, but i'm on the road without any tex resources to test.

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