Some special types of matrix Some special types of matrix zero matrix:a matrix,every element of which is zero. 命电有这女子 Matrix Theory Matrices -3/14Some special types of matrix Some special types of matrix ▸ zero matrix: a matrix, every element of which is zero. Note: Zero matrices of different orders are different. ▸ square matrix: as the name suggests, has the same number of rows as columns. ▸ row matrix (or vector): a 1 × m matrix, i.e., y ∈ C 1×m. ( 1 0 −1 2 ) ▸ column matrix (or vector): an n × 1 matrix, i.e., x ∈ C n×1 or shorter, x ∈ C n . ⎛ ⎜ ⎝ 6 4 3 ⎞ ⎟ ⎠ Matrix Theory Matrices - 3/14