ResearchBenchmarksSolving Heat Equation on Heat2D LongTimeFollow0.999Relative L2 ErrorFNN-PINN0.949050.9740250.9991.023975Jun 18, 2026Evaluation ResultsMethodMethodLinksRelative L2 ErrorImprovement (%)FNN-PINN2026.060.999—SEA-PINN2026.060.999-0.01