Finding polynomials from a set of coordinates

03122017, 08:27 PM
Post: #14




RE: Finding polynomials from a set of coordinates
(03122017 06:38 PM)Dieter Wrote: A periodic function is not required (...) a 6th order polynomial would result in a perfect fit. The real problem is that you teach this guy something which is MATHEMATICALLY right but not right if he want to understand the model behind his data. Do not teach him anything without you do not clarify that his model is not right for this case. You can see later he will use this method for all of data what he must to analyse. If he will work as CSI, he will use the polynomial fit for the body temperature cooling down  because he learned polynomial fit without any clarification. Maybe he will design your medical stuffz when you will an old man  I hope, he will learn other models during thats years... And two additional thing: 1.) Why do not teach him how he can decide which polynomial degree is sufficient to fit? 2.) What about your 6th degree model first derivative in t=0 and t=24? As I guess these values aren't same  so that is not a good solution. Csaba 

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