ResearchBenchmarkspotential-energy-surface fitting on FI-NN potential-energy-surface (train)potential-energy-surface fitting on FI-NN potential-energy-surface (train)Follow144IterationsRNC-LM-50.241,260.882,5723,883.12Jul 8, 2026Evaluation resultsMethodMethodLinksIterationsTraining Time (h)SpeedupRNC-LMorder=4th orderorder=4th order2026.0714411.3934RNC-LMorder=3rd orderorder=3rd order2026.0738530.2412.8LM2026.075,000387.281