ABSTRACT
Assumption 1. M is a singular matrix, and the system is regular, i.e. det ( )1 as a polynomial in q−1 is not identically zero.
Assumption 2. The system is completely observable, i.e. for arbitrary complex number z,
rank rank zM
H n
M H
n −⎡
⎣⎢ ⎤ ⎦⎥ = ,
⎡ ⎣⎢
⎤ ⎦⎥ = .
