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Table 1 Experimental order of convergence

From: On increasing the convergence rate of difference solution to the third boundary value problem of elasticity theory

h

\(\boldsymbol {\|U_{h}-u\|}\)

\(\boldsymbol {\|\tilde{U}_{h}-u\|}\)

Ord( U )

\(\boldsymbol {\operatorname{Ord}(\tilde{U})}\)

1/4

3.743333e−02

1.865509e−02

1.8843

4.1817

1/8

1.013944e−02

1.027991e−03

1.9739

3.9656

1/16

2.581113e−03

6.579804e−05

1.9936

4.1623

1/32

6.481292e−04

3.674768e−06

1.9984

3.9866

1/64

1.622098e−04

2.318145e−07

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