Research Article
Analysis of Two-Grid Characteristic Finite Element Methods for Convection-Diffusion Equations
Table 1
Numerical results of Algorithm
1 and CFEM.
| Algorithm 1 | CFEM | | | Computing time (s) | h | | Computing time (s) |
| | 1.9518 e − 3 | 1.28 | | 1.7156 e − 3 | 1.59 | | 2.9224 e − 5 | 25.16 | | 2.6173 e − 5 | 94.21 | | 2.6236 e − 6 | 118.35 | | 2.3352 e − 6 | 645.66 | Rate | 2 | Rate | 2 |
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