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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

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.