ResearchBenchmarksEigenfunction recovery on OU2D (ay = 16) N=500 (test)Eigenfunction recovery on OU2D (ay = 16) N=500 (test)Follow93.9SubR2CV+RFF48.97260.63672.383.964Apr 20, 2026Evaluation resultsMethodMethodLinksSubR2CV+RFFCV kernel=Matérn-3/2,...CV kernel=Matérn-3/2, CV sigma=52.02026.0493.9Uni+RFFprff=300prff=3002026.0450.8Uni+Nysp=60p=602026.0450.7