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Theory and Modern Applications

Table 2 Problem 6.1 : The maximum absolute errors

From: A new spline in compression method of order four in space and two in time based on half-step grid points for the solution of the system of 1D quasi-linear hyperbolic partial differential equations

h

Proposed method ( 5.16 )

Method discussed in [ 33 ]

\(\boldsymbol{\alpha_{0} = 12}\) , \(\boldsymbol{\beta_{0} = 8}\) , η  =  γ  = 1

\(\boldsymbol{\alpha_{0} = \beta_{0} = \pi}\) , η  = 0.75, γ  = 1.5

\(\boldsymbol{\alpha_{0} = 3\pi}\) , \(\boldsymbol{\beta_{0} = \pi}\) , η  = 2.5, γ  = 0.25

\(\boldsymbol{\alpha_{0} = 12}\) , \(\boldsymbol{\beta_{0} = 8}\) , η  =  γ  = 1

\(\boldsymbol{\alpha_{0} = \beta_{0} = \pi}\) , η  = 0.75, γ  = 1.5

\(\boldsymbol{\alpha_{0} = 3\pi}\) , \(\boldsymbol{\beta_{0} = \pi}\) , η  = 2.5, γ  = 0.25

1/16

7.4557(−07)

2.0167(−06)

1.6177(−06)

5.6408(−06)

4.4195(−06)

1.1784(−06)

1/32

5.7283(−08)

1.2715(−07)

1.0973(−07)

6.6551(−07)

5.4996(−07)

1.5953(−07)

1/64

3.6216(−09)

7.9466(−09)

6.8903(−09)

7.2547(−08)

6.4606(−08)

2.0470(−08)