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Matrix

Revision as of 21:46, 4 November 2006 by Bubka (talk | contribs)
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A matrix is a rectangular array of scalars from any field, such that each column belongs to the vector space $F^m$, where $m$ is the number of rows. If a matrix $A$ has $m$ rows and $n$ columns, its order is said to be $m \times n$, and it is written as $A_{m \times n}$.

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