Research Article
Novel Exponentially Fitted Two-Derivative Runge-Kutta Methods with Equation-Dependent Coefficients for First-Order Differential Equations
Table 2
The global errors in the final step points obtained by several methods for Problem
2.
| Step size | REFRK3 | SEFTDRK4 | SEFTDRK3 | REFTDRK3 | REFTDRK4 |
| 1/8 | 1.89e − 05 | 2.21e − 06 | 2.60e − 06 | 2.58e − 06 | 4.94e − 07 | 1/16 | 2.27e − 06 | 1.12e − 07 | 4.49e − 08 | 2.07e − 07 | 1.91e − 08 | 1/32 | 2.77e − 07 | 6.32e − 09 | 8.91e − 09 | 2.18e − 08 | 9.31e − 10 | 1/64 | 3.42e − 08 | 3.75e − 10 | 1.77e − 09 | 2.58e − 09 | 5.08e − 11 | 1/128 | 4.25e − 09 | 2.28e − 11 | 2.59e − 10 | 3.04e − 10 | 2.96e − 12 | 1/256 | 5.29e − 10 | 1.41e − 12 | 3.46e − 11 | 3.74e − 11 | 1.79e − 13 |
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