2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/149397A new form of the Wilson renormalization group equation is derived, in which the flow equations are, up to linear terms, proportional to a gradient flow. A set of coördinates is found in which the flow of marginal, low-energy, couplings takes a gradient form, if relevant couplings are tuned to vanish.9 pages, RevTeX. Version to appear in Phys. Rev. DHigh Energy Physics - Theorytext