Intel® oneAPI Math Kernel Library Developer Reference - C

Generalized Nonsymmetric Eigenvalue Problems: LAPACK Driver Routines

This topic describes LAPACK driver routines used for solving generalized nonsymmetric eigenproblems. See also computational routines that can be called to solve these problems. Table "Driver Routines for Solving Generalized Nonsymmetric Eigenproblems" lists all such driver routines.

Driver Routines for Solving Generalized Nonsymmetric Eigenproblems

Routine Name

Operation performed

gges

Computes the generalized eigenvalues, Schur form, and the left and/or right Schur vectors for a pair of nonsymmetric matrices.

ggesx

Computes the generalized eigenvalues, Schur form, and, optionally, the left and/or right matrices of Schur vectors.

gges3

Computes generalized Schur factorization for a pair of matrices.

ggev

Computes the generalized eigenvalues, and the left and/or right generalized eigenvectors for a pair of nonsymmetric matrices.

ggevx

Computes the generalized eigenvalues, and, optionally, the left and/or right generalized eigenvectors.

ggev3

Computes generalized Schur factorization for a pair of matrices.