ResearchBenchmarksGram matrix approximation on Unit sphere d=20 N=1000, b=1, epsilon=1 (train test)Gram matrix approximation on Unit sphere d=20 N=1000, b=1, epsilon=1 (train test)Follow0.073Relative Frobenius ErrorRAY0.06020.14660.2330.3194Jun 8, 2026Evaluation resultsMethodMethodLinksRelative Frobenius ErrorRAYRadial samples (D)=1000Radial samples (D)=10002026.060.073RAYRadial samples (D)=500Radial samples (D)=5002026.060.117RAYRadial samples (D)=100Radial samples (D)=1002026.060.25NyströmLandmarks (m)=100Landmarks (m)=1002026.060.289NyströmLandmarks (m)=50Landmarks (m)=502026.060.393