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Theory and Modern Applications

Table 8 Problem 4 : MAEs using ( 2.7a )-( 2.7b ) with \(\pmb{C=1}\)

From: A class of quasi-variable mesh methods based on off-step discretization for the solution of non-linear fourth order ordinary differential equations with Dirichlet and Neumann boundary conditions

λ

1

10

\(\boldsymbol {10^{2}}\)

N

u

\(\boldsymbol {u'}\)

u

\(\boldsymbol {u'}\)

u

\(\boldsymbol {u'}\)

16

9.83e−06

3.37e−05

3.25e−03

2.03e−02

7.81e−02

8.71e−01

32

2.49e−06

8.22e−06

8.19e−04

4.93e−0332

1.48e−02

4.98e−01

64

6.23e−07

2.04e−06

2.05e−04

1.24e−03

3.68e−03

1.70e−01

128

1.56e−07

5.10e−07

5.12e−05

3.08e−04

9.20e−04

3.89e−02

256

3.90e−08

1.27e−07

1.28e−05

7.70e−05

2.30e−04

9.21e−03

Order

2.00

2.00

2.00

2.00

2.00

2.08