Adding and subtracting matrices

Adding matrices and Subtracting matrices When adding and subtracting a matrix, it must have the same dimensions as the other matrix and your must add the corresponding entries.  A^t means transpose.  When you transpose a matrix, you switch the rows with the columns.  The dimensions of a matrix is: (rows x columns) Example 1  What are the dimensions of Matrix A? [3 5 6 8] [3 7 8 0] [1   2 5 8] Answer (3x3) Example 2 Transpose Matrix E. [2 4 5] [8 6 9] Answer [2 8] [4 6] [5 9] Example 3 Add Matrices A and S [1 2] [32] [2 1] [2 3] Answer [4 4] [4 4]