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Checking the Results of NDSolve
I use NDSolve to approximate a 6-dimensional and highly non-linear dynamic system numerically. QUESTION: What are usual (and simple) techniques to check the reliability of the resulting numerical solution? So far I tried to use another solution algorithm by switching the Option "Method" from "Method->Automatic" to "Method->RungeKutta". Apart from numerical differences, the solution qualitatively remained unaffected (I am mainly interested in the qualitative characteristics of the solution). I would be grateful for any hint!