Machine learning initialization to accelerate Stokes profile inversions R. Gafeira, D. Orozco Suárez, I. Milić, C. Quintero Noda, B. Ruiz Cobo and H. Uitenbroek A&A, 651 (2021) A31 Published online: 06 July 2021 DOI: 10.1051/0004-6361/201936910