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Theory and Modern Applications

Table 12 Errors and computational orders of central difference scheme with \(\beta =\frac{1}{10}\) for V

From: Compact difference scheme for two-dimensional fourth-order hyperbolic equation

h

τ

\(\|V-v\|_{L^{\infty }}\)

order≈

\(\|V-v\|_{L^{2}}\)

order≈

CPU (s)

\(\frac{1}{10}\)

\(\frac{1}{{10}^{2}}\)

2.112

–

5.087e−01

–

0.242853

\(\frac{1}{20}\)

\(\frac{1}{{20}^{2}}\)

5.117e−01

2.04

1.234e−01

2.05

1.429410

\(\frac{1}{30}\)

\(\frac{1}{{30}^{2}}\)

2.261e−01

2.01

5.455e−02

2.01

13.395006

\(\frac{1}{40}\)

\(\frac{1}{{40}^{2}} \)

1.270e−01

2.01

3.063e−02

2.01

53.665479

\(\frac{1}{50}\)

\(\frac{1}{{50}^{2}}\)

8.118e−02

2.00

1.959e−02

2.00

160.600921

\(\frac{1}{60}\)

\(\frac{1}{{60}^{2}}\)

5.635e−02

2.00

1.360e−02

2.00

411.886623