underbrace...

lepton · **Joined:** Sun, 6 Apr 2008 23:49:57 UTC **Posts:** 143

I have the augmented matrix...

$\left[ \begin{array}{cc|cc} a & b & c & d\\ a & b & c & d\\ \end{array} \right]$

How can I put a brace below (\underbrace{}) the 2 x 2 matrix on the right hand side?

Zone Ranger · **Posted:** Tue, 9 Dec 2008 20:14:50 UTC

lepton wrote:

I have the augmented matrix...

$\left[ \begin{array}{cc|cc} a & b & c & d\\ a & b & c & d\\ \end{array} \right]$

How can I put a brace below (\underbrace{}) the 2 x 2 matrix on the right hand side?

You want something like this?

$\left[ \begin{array}{cc|} a & b \\ a & b \\ \end{array} \right.\underbrace{\left. \begin{array}{cc} c & d\\ c & d\\ \end{array} \right]}$

Code:

\left[
\begin{array}{cc|}
a & b \\
a & b \\
\end{array}
\right.\underbrace{\left. \begin{array}{cc}
 c & d\\
c & d\\
\end{array}
\right]}

lepton · **Joined:** Sun, 6 Apr 2008 23:49:57 UTC **Posts:** 143

wicked, thank you Zone Ranger

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