solve_arpack_shift_invert – Legolas v. 2.2.1

interface
module subroutine solve_arpack_shift_invert(arpack_cfg, matrix_A, matrix_B, settings, omega, vr)

Type	Intent		Name
type(arpack_t),	intent(in)	::	arpack_cfg	arpack configuration
type(matrix_t),	intent(in)	::	matrix_A	matrix A
type(matrix_t),	intent(in)	::	matrix_B	matrix B
type(settings_t),	intent(in)	::	settings	settings object
complex(kind=dp),	intent(out)	::	omega(:)	array with eigenvalues
complex(kind=dp),	intent(out)	::	vr(:,:)	array with right eigenvectors

Solves the eigenvalue problem using the Arnoldi shift-invert method.