# posv_comp_grp - Man Page

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

## Synopsis

### Modules

&mdash; full &mdash;
pocon:          condition number estimate
potrf:          triangular factor
potrf2:         triangular factor panel, recursive?
potf2:          triangular factor panel, level 2
pstrf:          triangular factor, with pivoting
pstf2:          triangular factor, with pivoting panel, level 2
potrs:          triangular solve using factor
potri:          triangular inverse
porfs:          iterative refinement
porfsx:         iterative refinement, expert
poequ:          equilibration
poequb:         equilibration, power of 2
laqhe:          row/col scale matrix
la_porcond:     Skeel condition number estimate
la_porpvgrw:    reciprocal pivot growth
la_porfsx_extended:  step in porfsx
&mdash; packed &mdash;
ppcon:          condition number estimate
pptrf:          triangular factor
pptrs:          triangular solve using factor
pptri:          triangular inverse
pprfs:          iterative refinement
ppequ:          equilibration
laqhp:          row/col scale matrix
&mdash; rectangular full packed (RFP) &mdash;
pftrf:          triangular factor
pftrs:          triangular solve using factor
pftri:          triangular inverse
&mdash; banded &mdash;
pbcon:          condition number estimate
pbtrf:          triangular factor
pbtf2:          triangular factor panel, level 2
pbtrs:          triangular solve using factor
pbrfs:          iterative refinement
pbequ:          equilibration
laqhb:          row/col scale matrix
&mdash; tridiagonal &mdash;
ptcon:          condition number estimate
pttrf:          triangular factor
pttrs:          triangular solve using factor
ptts2:          triangular solve using factor, unblocked
ptrfs:          iterative refinement

## Author

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## Info

Tue Nov 28 2023 12:08:43 Version 3.12.0 LAPACK