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
1.67(−04)
6.67(−05)
0.87
1/16
1.12(−06)
7.21
8.67(−07)
6.27
5.63
1/32
8.80(−09)
6.99
9.64(−09)
6.49
50.90
1/64
6.90(−11)
7.00
1.36(−10)
6.15
398.46