Matrix
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| Matrix
A rectangular array of numbers in [math]m[/math] rows and [math]n[/math] columnss is called a matrix of order [math]m\times n[/math] |
Examples
[math]A=\begin{pmatrix}
1 & 3 &-4 \\
0 & -1 & 5 \\
3 & 4 & 8
\end{pmatrix}[/math] is a [math]3\times 3[/math] matrix
[math]B=\begin{pmatrix}
1 & 3 &-4 & 1 \\
0 & -1 & 5 & 7 \\
3 & 4 & 8 & 2
\end{pmatrix}[/math] is a [math]3\times 4[/math] matrix
