Research Article

A New Algorithm for Solving Large-Scale Generalized Eigenvalue Problem Based on Projection Methods

Algorithm 3

CIRR method.
 Input:
 Output:
(1)Set
(2)Solve for , , [14–16]
(3)Compute , by (17)
(4)Construct an orthonormal basis from
(5)Form and
(6)Compute the eigenpairs of
(7)Set
(8)Select the approximate eigenpairs from