.Modelica_LinearSystems2.Math.Matrices.Internal.k_care_u

Information

Calculate the upper bound of the CARE, i.e. Q + A'*X + X*A - X*G*X = 0  condition number using Lyapunov equations

Interface

function k_care_u
  extends Modelica.Icons.Function;
  import Modelica.Math.Matrices.norm;
  import Modelica_LinearSystems2.Math.Matrices.lyapunov;
  input Real A[:, size(A, 1)] "care-matrix A";
  input Real Q[:, size(Q, 1)] "care-matrix Q";
  input Real G[size(A, 1), size(A, 2)] "care-matrix G";
  input Real X[size(A, 1), size(A, 2)] "solution of care";
  output Real ku "upper bound of the care condition number";
end k_care_u;