ResearchBenchmarksReaction-diffusion PINN on Reaction-diffusion nu=20 PINN (train)Reaction-diffusion PINN on Reaction-diffusion nu=20 PINN (train)Follow1.47Train LossL-BFGS1.14643.33075.5157.6993Jul 8, 2026Evaluation resultsMethodMethodLinksTrain LossRelative L2 ErrorL-BFGS2026.071.479.98RNC-LM2026.072.985.87LM2026.078.959.98LM-GA2026.079.569.97