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
5.97(−06)
1.64(−06)
0.84
1/16
1.56(−07)
5.26
2.04(−08)
6.33
4.38
1/32
3.14(−09)
5.63
1.96(−10)
6.70
22.40
1/64
5.75(−11)
5.77
1.82(−12)
6.75
104.80