---
name: "ggev_comp_grp"
section: "3"
platform: "linux"
package: "lapack-doc"
version: "3.12.1-2"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/ggev_comp_grp"
---

# ggev\_comp\_grp(3)

Generalized eig computational routines

## NAME

ggev\_comp\_grp - Generalized eig computational routines

## SYNOPSIS

### 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

## Author

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