Definition: Matrix means a huge, flat sheet of paper with rows and columns printed on it. It's used for matrices or tables to represent data. For example, in matrix algebra, you might have three numbers represented as a 3x3 square matrix like this: ``` [1, 2] [3, 4] [5, 6] ``` And the entries of that matrix are called elements or rows and columns, which correspond to the values on those positions in the square.
closed bracket.
what should be said.