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Accuracy of curve plotting

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Hi,
I have generated a quadtree algorithm to trace singularity curves of a parallel manipulator having known the singularity functions already in C++.Now that I have got the curves,how do I check the correctness of the curves as in something like RMS value.I am asking this because the function returns both real and complex values and I am not sure on how to deal with calculating RMS for complex values.
Thanks for your help.
Dec 9 '13 #1
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