Matrices types
00:00 - start
00:30 - outline
01:26 - matrix definition
04:00 - matrix dimensions
06:20 - denoting matrices
07:15 - solved examples about matrix dimensions
08:30 - columns and row matrix
09:41 - square matrix
10:40 - diagonal and scalar and identity matrix
13:45 - Null matrix
14:15 - diagonal and scalar examples
15:17 - symmetric matrix and transpose