Theory and Modern Applications
From: A higher-order blended compact difference (BCD) method for solving the general 2D linear second-order partial differential equation
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CCD2 Scheme [1]
BCD Scheme
Error
Rate
CPU
1/8
1.27(−04)
4.72(−05)
0.37
1/16
1.09(−06)
6.87
5.73(−07)
6.36
1.37
1/32
8.71(−09)
6.96
5.24(−09)
6.77
7.67
1/64
6.87(−11)
6.99
4.89(−11)
6.74
40.27