From: Convergence analysis and parity conservation of a new form of a quadratic explicit spline with applications to integral equations
n
10
50
100
en(Q)
2.0·10−3
9.8·10−7
1.9·10−8
en(M)
1.0·10−3
8.2·10−11
1.8·10−13
en(S)
4.0·10−4
9.0·10−9
1.0·10−10