Zhong Wan-xie, Yang Zai-shi. On the Computation of the Main Eigen-Pairs of the Continuous-Time Linear Quadratic Control Problem[J]. Applied Mathematics and Mechanics, 1991, 12(1): 45-50.
Citation: Zhong Wan-xie, Yang Zai-shi. On the Computation of the Main Eigen-Pairs of the Continuous-Time Linear Quadratic Control Problem[J]. Applied Mathematics and Mechanics, 1991, 12(1): 45-50.

On the Computation of the Main Eigen-Pairs of the Continuous-Time Linear Quadratic Control Problem

  • Received Date: 1990-01-15
  • Publish Date: 1991-01-15
  • The degeneration of the eigenvalue equation of the discrete-time linear quadratic control problem to the continuous-time one when Δt→0 is given first. When the continuous-time n-dimensional eigenvalue equation, which has all the eigenvalues located in the left half plane, has bee ft reduced from the original In-dimensional one, the present paper proposes that several of the eigenvalues nearest to the imaginary axis be obtained by the matrix transformation Ae=eA.All the eigenvalues of Ae are in the unit circle, with the eigenvectors unchanged and the original eigenvalues can be obtained by a logarithm operation. And several of the eigenvalues of Ae nearest to the unit circle can be calculated by the dual subspace iteration method.
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