ResearchBenchmarksInverse PDE Solving on Helmholtz (relative l2 error, runtime)Follow0.12Relative L2 ErrorDi-BiLPS0.037520.594261.1511.70774May 13, 2026Evaluation ResultsMethodMethodLinksRelative L2 ErrorRuntime (s)Di-BiLPS2026.050.1220.56DiffPDE2026.050.226252.72DeepONet2026.051.328—PINNs2026.051.6—PINO2026.052.169—FNO2026.052.182—