Matrix
Matrix
A rectangular (or square) array of numbers. Matrices can be written using brackets or parentheses.
![Two 3×4 matrices with brackets and parentheses showing values: rows [3,6,-9,0], [0,4.2,5,3.14], [-4,0,12,1]](/m/m_assets/m11.gif)
See also
Element of a matrix, row of a matrix, column of a matrix, coefficient matrix, augmented matrix, row operation, main diagonal, diagonal matrix, identity matrix, matrix addition, matrix subtraction, matrix multiplication, inverse of a matrix