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Two-gene system: comparison of average errors for Euler, expEuler, Heun, and expHeun methods.
| Step size | Euler | expEuler | Heun | expHeun |
|---|---|---|---|---|
| 1 | 1.6832 | 4.4456 × 10−3 | 2.9451 × 10−1 | 2.1871 × 10−3 |
| 1/2 | 9.21627 × 10−1 | 2.4275 × 10−3 | 4.0230 × 10−2 | 1.0848 × 10−3 |
| 1/4 | 5.1922 × 10−1 | 1.4028 × 10−3 | 1.0096 × 10−2 | 9.5000 × 10−4 |
| 1/8 | 1.8775 × 10−1 | 1.0103 × 10−3 | 2.7588 × 10−3 | 9.4565 × 10−4 |
| 1/16 | 5.0636 × 10−2 | 9.0239 × 10−4 | 1.1937 × 10−3 | 9.4830 × 10−4 |
| 1/32 | 1.8282 × 10−2 | 8.9416 × 10−4 | 9.8137 × 10−4 | 9.4942 × 10−4 |
