_fmpq_poly_revert_series_lagrange, fmpq_poly_revert_series_lagrange
Synopsis
#include <flint/fmpq_poly.h>void _fmpq_poly_revert_series_lagrange(fmpz * res, fmpz_t den, const fmpz * poly1, const fmpz_t den1, slong len1, slong n)sourcevoid fmpq_poly_revert_series_lagrange(fmpq_poly_t res, const fmpq_poly_t poly, slong n)sourceRevert by the Lagrange inversion formula, [x^k] g = \frac1k [x^{k-1}] (x/\mathit{poly})^k, computing the powers one after the other (O(n M(n)) operations).
Cite this page
The FLINT team, “_fmpq_poly_revert_series_lagrange, fmpq_poly_revert_series_lagrange (fmpq_poly.h),” FLINT: Fast Library for Number Theory, documentation, version 3.7.0-dev, 2026. https://flintlib.org/doc/fmpq_poly/_fmpq_poly_revert_series_lagrange.html (generated 2026-10-20).
@misc{flint-doc-fmpq-poly-fmpq-poly-revert-series-lagrange,
author = {{The FLINT team}},
title = {{\_fmpq\_poly\_revert\_series\_lagrange, fmpq\_poly\_revert\_series\_lagrange (fmpq\_poly.h)}},
howpublished = {FLINT: Fast Library for Number Theory, documentation, version 3.7.0-dev},
year = {2026},
url = {https://flintlib.org/doc/fmpq_poly/_fmpq_poly_revert_series_lagrange.html},
note = {Generated 2026-10-20}
}