Mathematics – Numerical Analysis
Scientific paper
2011-10-31
Mathematics
Numerical Analysis
This is an extension of ideas published in J. Math. Res. (open access); see refs [1] and [2]
Scientific paper
We incorporate explicit Nystrom methods into the RKQ algorithm for stepwise global error control in numerical solutions of initial-value problems. The initial-value problem is transformed into an explicitly second-order problem, so as to be suitable for Nystrom integration. The Nystrom methods used are fourth-order, fifth-order and 10th-order. Two examples demonstrate the effectiveness of the algorithm.
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