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Theory and Modern Applications

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

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

h

τ

\(\|W-w\|_{L^{\infty }}\)

order≈

\(\|W-w\|_{L^{2}}\)

order≈

CPU (s)

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

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

1.146e−01

–

3.162e−02

–

0.242853

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

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

2.780e−02

2.04

7.803e−03

2.02

1.429410

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

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

1.239e−02

1.99

3.480e−03

1.99

13.395006

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

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

6.961e−03

2.00

1.958e−03

2.00

53.665479

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

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

4.453e−03

2.00

1.253e−03

2.00

160.600921

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

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

3.092e−03

2.00

8.699e−04

2.00

411.886623