Question

Define matrices and square matrix

Answer 1

Step-by-step explanation:

A square matrix is a matrix with an equal number of rows and columns. ... A scalar matrix is a diagonal matrix where all the diagonal elements are equal. Example: (300030003) An upper triangular matrix is a square matrix where all the elements located below the diagonal are zeros.

Answer 2

Answer:

In mathematics, a square matrix is a matrix with the same number of rows and columns. An n-by-n matrix is known as a square matrix of order. . Any two square matrices of the same order can be added and multiplied. Square matrices are often used to represent simple linear transformations, such as shearing or rotation.