Research Article
Novel Exponentially Fitted Two-Derivative Runge-Kutta Methods with Equation-Dependent Coefficients for First-Order Differential Equations
Table 1
The global errors in the final step points obtained by several methods for Problem
1.
| Step size | REFRK3 | SEFTDRK4 | SEFTDRK3 | REFTDRK3 | REFTDRK4 |
| 1/8 | 6.41e − 05 | 1.33e − 05 | 6.60e − 05 | 4.84e − 05 | 3.29e − 06 | 1/16 | 7.42e − 06 | 7.44e − 07 | 6.46e − 06 | 5.50e − 06 | 1.97e − 07 | 1/32 | 8.96e − 07 | 4.42e − 08 | 7.11e − 07 | 6.55e − 07 | 1.19e − 08 | 1/64 | 1.10e − 07 | 2.69e − 09 | 8.33e − 08 | 7.99e − 08 | 7.40e − 10 | 1/128 | 1.36e − 08 | 1.66e − 10 | 1.00e − 08 | 9.87e − 09 | 4.60e − 11 | 1/256 | 1.69e − 09 | 1.03e − 11 | 1.24e − 09 | 1.22e − 09 | 2.87e − 12 |
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