| 1. | The matrix is " not " necessarily the identity matrix.
|
| 2. | Any such matrix is its own square root of the identity matrix.
|
| 3. | The modal mass matrix is therefore an identity matrix)
|
| 4. | The covariance matrix of " T " will be the identity matrix.
|
| 5. | The identity matrix is the only matrix which is both upper and lower unitriangular.
|
| 6. | And is the-by-identity matrix.
|
| 7. | This is equivalent to a matrix times its inverse being equal to the identity matrix.
|
| 8. | Where ? " i k " is the Kronecker delta or identity matrix.
|
| 9. | Where \ mathbf { I } here denotes a 3 \ times 3 identity matrix.
|
| 10. | For, where denotes the identity matrix.
|
