ResearchBenchmarksGram matrix approximation on Unit sphere d=2 N=1000, b=1, epsilon=1 (train test)Gram matrix approximation on Unit sphere d=2 N=1000, b=1, epsilon=1 (train test)Follow0Relative Frobenius ErrorNyström-0.004480.025760.0560.08624Jun 8, 2026Evaluation resultsMethodMethodLinksRelative Frobenius ErrorNyströmLandmarks (m)=50Landmarks (m)=502026.060NyströmLandmarks (m)=100Landmarks (m)=1002026.060RAYRadial samples (D)=1000Radial samples (D)=10002026.060.024RAYRadial samples (D)=500Radial samples (D)=5002026.060.038RAYRadial samples (D)=100Radial samples (D)=1002026.060.112