Submatrix
From Encyclopedia of Mathematics
of a matrix 
of dimension 
A matrix of dimension 
, where 
, 
, formed by the elements at the intersection of 
specified rows and 
specified columns of 
with retention of the previous order. The determinant of a square submatrix of order 
of a matrix 
is called a minor of order 
of 
.
How to Cite This Entry:
Submatrix. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Submatrix&oldid=29511
Submatrix. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Submatrix&oldid=29511
This article was adapted from an original article by T.S. Pigolkina (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article