This fuction compute the C,R,I-Observability of Descriptor Systems using direct approach
nC=dobsv(E,A,C) [nC,Co_mat]=dobsv(E,A,C) [nC,Co_mat,nR,Ro_mat]=dobsv(E,A,C) [nC,Co_mat,nR,Ro_mat,nI,Io_mat]=dobsv(E,A,C)
Rank of C-Observability Matrix
C--Observability Matrices
Rank of R-Observability matrix
R-Observability Matrix
Rank of I-Observability matrix
I-Observability matrix
R-Observability matrix
E, A and C matrices of descriptor system (E singular)
[1] Lewis, F. L. (1985). Fundamental, reachability, and observability matrices for discrete descriptor systems. IEE Transactions on Automatic Control 30(5), 502–505.
[2] Koumboulis, F. N. and Mertzios,(1999), B. G. on Kalman Controlability and Observability Criteria for Singular Systems Circuits Systems and Signals, 18, 269-290
[3] Duan, G.-R. Gao, D. Y. and Ogden, R. W. (Eds.) Analysis and Desing of Descriptor Linear Systems Springer, 2010