Research Article

An Inverse Quadratic Eigenvalue Problem for Damped Structural Systems

Algorithm 1

(1) Input
(2) Compute the unitary transformation matrix by (2.4).
(3) Compute real matrices by (2.5) and (2.6), respectively.
(4) Form the orthonormal basis by (2.1).
(5) Compute according to (2.9).
(6) Compute the matrix .
(7) Compute .
(8) Compute the matrix .
(9) Form vectors by (3.1) and (3.2).
(10) Compute by (3.8).
(11) Compute by (2.17) and (3.10), respectively.
(12) Compute the unique solution of Problem II by (3.11).