qr_invert Module Procedure

module procedure qr_invert module module subroutine qr_invert(matrix_A, matrix_B, settings, omega, vr)

Solves the eigenvalue problem by rewriting it to a standard form through inversion of the B-matrix.

Arguments

TypeIntentOptionalAttributesName
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


Contents

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