square matrix

American  

noun

Mathematics.

1. a matrix in which the number of rows is equal to the number of columns.

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square matrix British  

noun

1. maths a matrix in which the number of rows is equal to the number of columns

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Etymology

Origin of square matrix

First recorded in 1930–35

Example Sentences

If a matrix has the same number of rows and columns, we call it a square matrix.

From Textbooks • Sep. 23, 2020

Each square matrix has a real number associated with it called its determinant.

From Textbooks • Sep. 23, 2020

Here, we will use determinants to reveal whether a matrix is invertible by using the entries of a square matrix to determine whether there is a solution to the system of equations.

From Textbooks • Feb. 13, 2015

Only a square matrix may have a multiplicative inverse, as the reversibility, is a requirement.

From Textbooks • Feb. 13, 2015

Explain why we can always evaluate the determinant of a square matrix.

From Textbooks • Feb. 13, 2015