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submatrix

American  
[suhb-mey-triks, -ma-triks] / sʌbˈmeɪ trɪks, -ˈmæ trɪks /

noun

Mathematics.

PLURAL

submatrices, submatrixes
  1. a set of certain rows and columns of a given matrix.


Etymology

Origin of submatrix

sub- + matrix

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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