SAS-Prompt: Large Language Models as Numerical Optimizers for Robot Self-Improvement. - Heni Ben Amor; Laura Graesser; Atil Iscen; David B. D'Ambrosio; Saminda Abeyruwan; Alex Bewley; Yifan Zhou; Kamalesh Kalirathinam; Swaroop Mishra; Pannag Sanketi (ICRA, 2025)