U,N,err
2,200,0.6015688232533535
2,400,0.5100480469623787
2,800,0.4163137765895379
2,1600,0.3274723671925073
2,3200,0.24614586168567973
2,6400,0.17418725655145126
4,200,0.5040386164337312
4,400,0.38630798361019253
4,800,0.2837206544692833
4,1600,0.20320111590214116
4,3200,0.14395409260595776
4,6400,0.1017848037055953
8,200,0.415403307029665
8,400,0.28727521612595036
8,800,0.20027604274397937
8,1600,0.14237997170149888
8,3200,0.10045651014386626
8,6400,0.07158722970583854