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In this paper, A mathematical framework of checking accuracy of numericalmethods from mathematical software is been developed and investigated.R¨ossler attractor is used as case study as its analytical solution is non-existence.The algorithms investigated from Mathcad software includes AdamsBDF, Adams,BDF and Runge-Kutta fixed methods. The numerical solutions of each built-inalgorithms are compared to well-known Joubert-Greeff method. The estimationof global and local residuals are shown. The graphical results are plotted on aninterval of 0 ≤ t ≤ 150.
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Kekana et al. (2023) studied this question.
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