Research Article
Novel Exponentially Fitted Two-Derivative Runge-Kutta Methods with Equation-Dependent Coefficients for First-Order Differential Equations
Table 3
The global errors in the final step points obtained by several methods for Problem
3.
| Step size | REFRK3 | SEFTDRK4 | SEFTDRK3 | REFTDRK3 | REFTDRK4 |
| 1/8 | Inf | 4.49e − 06 | 1.39e − 05 | 1.04e − 05 | 6.39e − 07 | 1/16 | 4.51e − 05 | 2.36e − 07 | 1.34e − 06 | 1.23e − 06 | 3.81e − 08 | 1/32 | 5.61e − 06 | 1.34e − 08 | 1.54e − 07 | 1.49e − 07 | 2.33e − 09 | 1/64 | 6.99e − 07 | 8.02e − 10 | 1.86e − 08 | 1.84e − 08 | 1.44e − 10 | 1/128 | 8.73e − 08 | 4.90e − 11 | 2.29e − 09 | 2.28e − 09 | 8.99e − 12 | 1/256 | 1.09e − 08 | 3.04e − 12 | 2.85e − 10 | 2.84e − 10 | 5.61e − 13 |
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