Definition:Matrix/Indices

From ProofWiki
Jump to navigation Jump to search

Definition

Let $\mathbf A$ be an $m \times n$ matrix.

Let $a_{i j}$ be the element in row $i$ and column $j$ of $\mathbf A$.


Then the subscripts $i$ and $j$ are referred to as the indices (singular: index) of $a_{i j}$.


Sources