gr_mat_nonsingular_solve_lu_precomp, gr_mat_nonsingular_solve_fflu_precomp
Synopsis
#include <flint/gr_mat.h>int gr_mat_nonsingular_solve_lu_precomp(gr_mat_t X, const slong * perm, const gr_mat_t LU, const gr_mat_t B, gr_ctx_t ctx)sourceint gr_mat_nonsingular_solve_fflu_precomp(gr_mat_t X, const slong * perm, const gr_mat_t LU, const gr_mat_t B, gr_ctx_t ctx)sourceSolve AX = B given an LU or fraction-free LU decomposition of A with full rank, as computed by gr_mat_lu or gr_mat_fflu. The data are assumed to be valid, which is not checked. The fflu version computes \mathit{den} \cdot X, where den is the denominator returned by gr_mat_fflu.
Cite this page
The FLINT team, “gr_mat_nonsingular_solve_lu_precomp, gr_mat_nonsingular_solve_fflu_precomp (gr_mat.h),” FLINT: Fast Library for Number Theory, documentation, version 3.7.0-dev, 2026. https://flintlib.org/doc/gr_mat/gr_mat_nonsingular_solve_lu_precomp.html (generated 2026-10-20).
@misc{flint-doc-gr-mat-gr-mat-nonsingular-solve-lu-precomp,
author = {{The FLINT team}},
title = {{gr\_mat\_nonsingular\_solve\_lu\_precomp, gr\_mat\_nonsingular\_solve\_fflu\_precomp (gr\_mat.h)}},
howpublished = {FLINT: Fast Library for Number Theory, documentation, version 3.7.0-dev},
year = {2026},
url = {https://flintlib.org/doc/gr_mat/gr_mat_nonsingular_solve_lu_precomp.html},
note = {Generated 2026-10-20}
}