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zero_matrix
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The $n\times m$ zero matrix is the $n\times m$ matrix so that every entry is $0$. We write this as $0_{n\times m}$. So \[ 0_{n\times m}=\begin{bmatrix} 0&0&\dots&0\\ 0&0&\dots&0\\ \vdots&\vdots&&\vdots\\ 0&0&\dots&0\end{bmatrix}\quad\text{where this matrix has $n$ rows and $m$ columns.}\]
zero_matrix.1423737190.txt.gz · Last modified: by rupert