| 1 | So, what's interesting about this matrix? | |
| 2 | So, what does it mean to multiply matrices? | |
| 3 | And, their matrix product should be some given column vector. | |
| 4 | I used this to remember how to calculate the determinant of a matrix. | |
| 5 | When will I ever need to do complex factorials or find determinants of multi dimensional matrices? |