Source: cirosantilli/matrix-ring
= Matrix ring
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= Matrix ring of degree n
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= $M_n$
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= Set of all n-by-y square matrices
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The matrix ring of degree n $M_n$ is the set of all n-by-n square matrices together with the usual <vector space> and <matrix multiplication> operations.
This set forms a <ring (mathematics)>.
Related terminology:
* https://math.stackexchange.com/questions/412200/what-is-the-notation-for-the-set-of-all-m-times-n-matrices