| mij | aij | wij |
| Δfij |
| Δx | Δt |
for i ≠ j | 1.0 | 1.0 | 4.93 | for i or j = 0 | 4.31 | 0 | 0.15 | 0.0045 |
for i = j | 0 | 0 | 0 | for others | 0 | 0.04 |
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