---
name: "hesv_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/hesv_comp_grp"
---

# hesv\_comp\_grp(3)

LDL: computational routines (factor, cond, etc.)

## NAME

hesv\_comp\_grp - LDL: computational routines (factor, cond, etc.)

## SYNOPSIS

### Topics

**— full, rook v1 —**\
 **{he,sy}con:     condition number estimate**\
 **{he,sy}trf:     triangular factor**\
 **la{he,sy}f:     step in hetrf**\
 **{he,sy}tf2:     triangular factor, level 2**\
 **{he,sy}trs:     triangular solve using factor**\
 **{he,sy}tri:     triangular inverse**\
 **{he,sy}rfs:     iterative refinement**\
 **{he,sy}rfsx:    iterative refinement, expert**\
 **{he,sy}equb:    equilibration, power of 2**\
 **syconv:         convert to/from L and D from hetrf**\
 **{he,sy}con\_3:   condition number estimate**\
 **{he,sy}tri2:    inverse**\
 **{he,sy}tri2x:   inverse**\
 **{he,sy}tri\_3:   inverse**\
 **{he,sy}tri\_3x:  inverse**\
 **{he,sy}trs2:    solve using factor**\
 **{he,sy}trs\_3:   solve using factor**\
 **{he,sy}swapr:         apply 2-sided permutation**\
 **la\_hercond:           Skeel condition number estimate**\
 **la\_herfsx\_extended:   step in herfsx**\
 **la\_herpvgrw:          reciprocal pivot growth**\
 **— packed, rook v1 —**\
 **{hp,sp}con:     condition number estimate**\
 **{hp,sp}trf:     triangular factor**\
 **{hp,sp}trs:     triangular solve using factor**\
 **{hp,sp}tri:     triangular inverse**\
 **{hp,sp}rfs:     iterative refinement**\
 **— full, rook v2 —**\
 **{he,sy}con\_rook:  condition number estimate**\
 **{he,sy}trf\_rook:  triangular factor**\
 **la{he,sy}f\_rook:  triangular factor step**\
 **{he,sy}tf2\_rook:  triangular factor, level 2**\
 **{he,sy}trs\_rook:  triangular solve using factor**\
 **{he,sy}tri\_rook:  triangular inverse**\
 **— full, rook v3 —**\
 **{he,sy}trf\_rk:  triangular factor**\
 **la{he,sy}f\_rk:  triangular factor step**\
 **{he,sy}tf2\_rk:  triangular factor, level 2**\
 **syconvf:        convert to/from hetrf      to hetrf\_rk format**\
 **syconvf\_rook:   convert to/from hetrf\_rook to hetrf\_rk format**\
 **— full, Aasen —**\
 **{he,sy}trf\_aa:  triangular factor**\
 **la{he,sy}f\_aa:  triangular factor partial factor**\
 **{he,sy}trs\_aa:  triangular solve using factor**\
 **— full, Aasen, blocked 2-stage —**\
 **{he,sy}trf\_aa\_2stage:  triangular factor**\
 **{he,sy}trs\_aa\_2stage:  triangular solve using factor**\

## Detailed Description

## Author

Generated automatically by Doxygen for LAPACK from the source code.