Table 1 Convergence rates for the cantilever

0

\(7.353\times 10^{3}\)

\(9.922\times 10^{3}\)

1

\(2.296\times 10^{1}\)

\(1.427\times 10^{1}\)

2

\(6.292\times 10^{-3}\)

\(9.583\times 10^{-2}\)

3

\(3.068\times 10^{-1}\)

\(1.651\times 10^{-5}\)

4

\(1.575\times 10^{-5}\)

\(1.477\times 10^{-9}\)

5

\(8.516\times 10^{-5}\)

\(1.290\times 10^{-12}\)

6

\(1.682\times 10^{-11}\)

\(2.229\times 10^{-23}\)