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submatrix

[ suhb-mey-triks, -ma-triks ]

noun

, Mathematics.
, plural sub·ma·tri·ces [suhb-, mey, -tri-seez, -, ma, -tri-seez], sub·ma·trix·es.
  1. a set of certain rows and columns of a given matrix.


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Word History and Origins

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Example Sentences

When k bits are encoded as n bits, ‘systematic form’ means that the first k physical bits are exactly the k logical bits, so the first k × k submatrix of the generator matrix is the identity matrix, which need not be transmitted.

From Nature

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