Concatenating Matrices

You can merge two matrices into one if they have the same number of rows.

$\blacktriangleright$ To concatenate two matrices

1.
Place two matrices adjacent to each other.

2.
Leave the insertion point in one of the matrices.

3.
From the Matrices submenu, choose Concatenate.

$\blacktriangleright$ Concatenate

$\left(\vphantom{
\begin{array}{cc}
1 & 2 \\
3 & 4
\end{array}
}\right.$$\begin{array}{cc}
1 & 2 \\
3 & 4
\end{array}$$\left.\vphantom{
\begin{array}{cc}
1 & 2 \\
3 & 4
\end{array}
}\right)$$\left(\vphantom{
\begin{array}{cc}
5 & 6 \\
7 & 8
\end{array}
}\right.$$\begin{array}{cc}
5 & 6 \\
7 & 8
\end{array}$$\left.\vphantom{
\begin{array}{cc}
5 & 6 \\
7 & 8
\end{array}
}\right)$, concatenate : $\left(\vphantom{
\begin{array}{cccc}
1 & 2 & 5 & 6 \\
3 & 4 & 7 & 8
\end{array}
}\right.$$\begin{array}{cccc}
1 & 2 & 5 & 6 \\
3 & 4 & 7 & 8
\end{array}$$\left.\vphantom{
\begin{array}{cccc}
1 & 2 & 5 & 6 \\
3 & 4 & 7 & 8
\end{array}
}\right)$

$\left(\vphantom{
\begin{array}{cc}
x+1 & 2 \\
3y & 4t+2
\end{array}
}\right.$$\begin{array}{cc}
x+1 & 2 \\
3y & 4t+2
\end{array}$$\left.\vphantom{
\begin{array}{cc}
x+1 & 2 \\
3y & 4t+2
\end{array}
}\right)$$\left(\vphantom{
\begin{array}{c}
5+w \\
\sqrt{7}z
\end{array}
}\right.$$\begin{array}{c}
5+w \\
\sqrt{7}z
\end{array}$$\left.\vphantom{
\begin{array}{c}
5+w \\
\sqrt{7}z
\end{array}
}\right)$, concatenate:

$\displaystyle \left(\vphantom{
\begin{array}{ccc}
x+1 & 2 & 5+w \\
3y & 4t+2 & \sqrt{7}z
\end{array}
}\right.$$\displaystyle \begin{array}{ccc}
x+1 & 2 & 5+w \\
3y & 4t+2 & \sqrt{7}z
\end{array}$$\displaystyle \left.\vphantom{
\begin{array}{ccc}
x+1 & 2 & 5+w \\
3y & 4t+2 & \sqrt{7}z
\end{array}
}\right)$