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Generalized eig computational routines
LAPACK » Non-symmetric eigenvalues
Collaboration diagram for Generalized eig computational routines:

## Topics

| ggbal: balance matrix
| gghrd: reduction to Hessenberg
| gghd3: reduction to Hessenberg, level 3
| hgeqz: generalized Hessenberg eig
| ggbak: back-transform eigvec
| tgsen: reorder generalized Schur form
| tgsna: reciprocal cond est
| tgsyl: Sylvester equation
| tgsy2: Sylvester equation panel (?)
| {un,or}m22: multiply by banded Q, step in gghd3
| lagv2: 2x2 generalized Schur factor
| tgevc: eigvec of pair of matrices
| tgexc: reorder generalized Schur form
| tgex2: reorder generalized Schur form

## Detailed Description