A new class of time discretization schemes for the solution of nonlinear PDEs
Journal of Computational Physics
Connection coefficients on an interval and wavelet solutions of Burgers equation
Journal of Computational and Applied Mathematics
Frequency determination and step-length control for exponentially-fitted Runge---Kutta methods
Journal of Computational and Applied Mathematics
Exponential fitting of the delayed recruitment/renewal equation
Journal of Computational and Applied Mathematics
Exponential time differencing for stiff systems
Journal of Computational Physics
Journal of Computational and Applied Mathematics
High-order predictor-corrector of exponential fitting for the N-body problems
Journal of Computational Physics
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We develop the arbitrary order implicit multistep schemes of exponential fitting (EF) for systems of ordinary differential equations. We use an explicit EF scheme to predict an approximation, and then use an implicit EF scheme to correct this prediction. This combination is called a predictor-corrector EF method. We demonstrate the accuracy and efficiency of the new predictor-corrector methods via application to a variety of test cases and comparison with other analytical and numerical results. The numerical results show that the schemes are highly accurate and computationally efficient.