ResearchBenchmarksForward problem on Helmholtz-3DFollow0.0504Relative L2 ErrorPILIR-0.4915843.1668086.825210.483592May 1, 2026Evaluation ResultsMethodMethodLinksRelative L2 ErrorPILIR2026.050.0504Wavelet2026.051.05PINN2026.052.47PIXEL2026.0513.6