encapsulated function polesAndZerosAsRealMatrix import Modelica_LinearSystems2; input Real A[:, size(A, 1)] "A-matrix of linear state space system"; input Real B[size(A, 1), :] "B-matrix of linear state space system"; input Real C[:, size(A, 1)] "C-matrix of linear state space system"; input Real D[size(C, 1), size(B, 2)] "D-matrix of linear state space system"; input Boolean poles = true "= true, to compute the poles (i.e. the eigenvalues) of (A,B,C,D)" annotation( choices(checkBox = true)); input Boolean zeros = true "= true, to compute the (invariant) zeros of (A,B,C,D)" annotation( choices(checkBox = true)); output Real Eigenvalues[:, 2] "Eigenvalues of A; EigenValues[:,1]: Real part, EigenValues[:,2]: Imaginary part"; output Real InvariantZeros[:, 2] "Finite, invariant zeros of linear state space system; size(Zeros,1) <= size(A,1); Zeros[:,1]: Real part, Zeros[:,2]: Imaginary part"; end polesAndZerosAsRealMatrix;