Research Article
Analysis of Two-Grid Characteristic Finite Element Methods for Convection-Diffusion Equations
Table 2
Numerical results of two-steptwo-grid method Algorithm
1 and CFEM.
| Two-steptwo-grid method Algorithm 1 | CFEM | | | Computing time (s) | | | Computing time (s) |
| | 6.9703 e − 3 | 0.85 | | 6.8595 e − 3 | 0.70 | | 4.4452 e − 4 | 2.68 | | 4.3657 e − 4 | 4.53 | | 2.8049 e − 5 | 33.47 | | 2.6173 e − 5 | 94.21 | | 1.8001 e − 6 | 252.49 | | 1.6499 e − 6 | 896.04 | Rate | 2 | Rate | 2 |
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