Abstract
Recently, multi-step Nyström methods for the numerical integration of general second-order initial value problems has been proposed and developed. In this paper, we modify this class of methods to make them adapted to solving numerically oscillatory problems. The new methods have the coefficients depending on v = wh and integrate exactly the problem . General order conditions are given, and two explicit methods with orders three and four, respectively, are constructed. The linear stability analysis of the new methods is considered. Numerical results show that our new methods are more efficient in comparison with other well-known high-quality methods proposed in the scientific literature.
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