Question

A matrix obtained by deleting a row
or a calumn of a matrix​

Answer 1

submatrix

A submatrix of a matrix is obtained by deleting any collection of rows and/or columns. For example, from the following 3-by-4 matrix, we can construct a 2-by-3 submatrix by removing row 3 and column 2: A principal submatrix is a square submatrix obtained by removing certain rows and columns.

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Answer 2

Answer:

$submatrix</p><p></p><p>4 A matrix obtained by deleting some of the rowsand/or columns of a matrix is said to be a submatrix of the given matrix.</p><p></p><p>$