Research Article
An Efficient Compact Difference Method for Temporal Fractional Subdiffusion Equations
Table 3
The errors and the temporal convergence orders of the compact difference scheme (
23) for Example
2 .
| | | | | | | | |
| 1/4 | 1/10 | 9.5681e–05 | | 9.5622e–05 | | 1.3266e–04 | | | 1/20 | 2.3985e–05 | 1.9961 | 2.3971e–05 | 1.9961 | 3.3254e–05 | 1.9961 | | 1/40 | 6.0044e–06 | 1.9981 | 6.0007e–06 | 1.9981 | 8.3244e–06 | 1.9981 | | 1/80 | 1.5021e–06 | 1.9990 | 1.5012e–06 | 1.9990 | 2.0825e–06 | 1.9991 | | 1/160 | 3.7564e–07 | 1.9996 | 3.7541e–07 | 1.9996 | 5.2078e–07 | 1.9996 | | 1/320 | 9.3916e–08 | 1.9999 | 9.3859e–08 | 1.9999 | 1.3020e–07 | 1.9999 |
| 1/2 | 1/10 | 1.7283e–04 | | 1.7272e–04 | | 2.4033e–04 | | | 1/20 | 4.3358e–05 | 1.9950 | 4.3331e–05 | 1.9950 | 6.0286e–05 | 1.9951 | | 1/40 | 1.0858e–05 | 1.9975 | 1.0852e–05 | 1.9975 | 1.5097e–05 | 1.9976 | | 1/80 | 2.7169e–06 | 1.9987 | 2.7153e–06 | 1.9987 | 3.7774e–06 | 1.9988 | | 1/160 | 6.7952e–07 | 1.9994 | 6.7910e–07 | 1.9994 | 9.4474e–07 | 1.9994 | | 1/320 | 1.6991e–07 | 1.9998 | 1.6980e–07 | 1.9998 | 2.3622e–07 | 1.9998 |
| 3/4 | 1/10 | 2.2075e–04 | | 2.2061e–04 | | 3.0894e–04 | | | 1/20 | 5.5326e–05 | 1.9964 | 5.5291e–05 | 1.9964 | 7.7418e–05 | 1.9966 | | 1/40 | 1.3849e–05 | 1.9981 | 1.3841e–05 | 1.9981 | 1.9378e–05 | 1.9983 | | 1/80 | 3.4646e–06 | 1.9991 | 3.4624e–06 | 1.9991 | 4.8476e–06 | 1.9991 | | 1/160 | 8.6641e–07 | 1.9995 | 8.6587e–07 | 1.9995 | 1.2123e–06 | 1.9996 | | 1/320 | 2.1663e–07 | 1.9998 | 2.1650e–07 | 1.9998 | 3.0311e–07 | 1.9998 |
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