| Article ID: | iaor19981798 |
| Country: | Hungary |
| Volume: | 17 |
| Issue: | 3/4 |
| Start Page Number: | 279 |
| End Page Number: | 286 |
| Publication Date: | Jan 1993 |
| Journal: | Alkalmazott Matematikai Lapok |
| Authors: | Molnr Sndor, Szigeti Ferenc, Vera Carmen F. |
| Keywords: | Kalman filter |
Kalman's well-known algebraic rank conditions are generalized for time-varying linear systems. The terms of the multivariable rank conditions are elements of the basis of the Lie algebra which is generated by the structure matrices of the system.