Jorge
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 Nov 29 awarded Popular Question Oct 18 awarded Popular Question Oct 14 awarded Yearling Oct 5 awarded Popular Question Jul 17 awarded Popular Question Apr 6 accepted Find $\hat{x}$ operator given $\hat{p}$ operator Oct 28 awarded Popular Question Oct 14 awarded Yearling Sep 30 awarded Explainer Jul 2 awarded Curious Jun 4 comment Power fit to some experimental data @ChrisWhite thanks. I did considered them. The absolute value model however assumes the force to be charge independent, which might obscure the case in which the experimental setup it is not that way. Jun 1 comment Power fit to some experimental data Thank you so much for this answer. However I think that there is a typo in the definition of $y=f(x)=2x^4$, shouldn't be $y=f(x)=2x^{-4}$. Does non linear least squares manage a set of points with experimental/numerical errors? And also does give the uncertainties in both $a$ and $b$ based on those parameters? Now an introductory bibliographic reference other than wikipedia would be very helpful. Thanks again. Jun 1 accepted Power fit to some experimental data May 30 comment Power fit to some experimental data It would be nice, for the sake of reference and having a concrete example. I'm kind of interested in misuses and misconceptions in the usage of mathematics in the contexts of physics, so thank you. May 30 comment Power fit to some experimental data Could you please explain the implicit assumption? I don't see it. I don't see neither that the absolute values trick is allowed, but I thought about it. May 30 comment Power fit to some experimental data @Neuneck I also thought about it, taking absolute values, but how may I justify that step? The shifting one is much more obvious but harder to implement. May 30 revised Power fit to some experimental data added table May 30 revised Power fit to some experimental data added 502 characters in body May 30 comment Power fit to some experimental data I was thinking something along this shifting line, I'm editing the question with more info. May 30 asked Power fit to some experimental data